{"id":19262,"date":"2022-02-07T15:11:32","date_gmt":"2022-02-07T07:11:32","guid":{"rendered":"https:\/\/smartairfilters.com\/?page_id=19262"},"modified":"2024-01-19T12:10:30","modified_gmt":"2024-01-19T04:10:30","slug":"when-change-hepa-filter","status":"publish","type":"page","link":"https:\/\/smartairfilters.com\/zh\/when-change-hepa-filter\/","title":{"rendered":"HEPA\u6ee4\u7f51\u66f4\u6362\u8ba1\u7b97\u5668"},"content":{"rendered":"<p>\u7528\u8fd9\u4e2a\u7b80\u5355\u7684\u8ba1\u7b97\u5668\u4f30\u7b97\u66f4\u6362\u7a7a\u6c14\u51c0\u5316\u5668\u7684HEPA\u6ee4\u7f51\u7684\u9891\u7387\u3002\u53ea\u9700\u89813\u4e2a\u7b80\u5355\u7684\u6b65\u9aa4\uff1a<\/p>\n\n\n<div class=\"gb-container gb-container-034b90ff\"><div class=\"gb-inside-container\">\n\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f19265-o2\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"19265\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/zh\/wp-json\/wp\/v2\/pages\/19262#wpcf7-f19265-o2\" method=\"post\" class=\"wpcf7-form init\" id=\"lifespan-calculator\" aria-label=\"Contact form\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"19265\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.5\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f19265-o2\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<p><label> 1. \u9009\u62e9\u7a7a\u6c14\u51c0\u5316\u5668\u578b\u53f7\uff1a<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"purifier\"><select class=\"wpcf7-form-control wpcf7-select wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" name=\"purifier\"><option value=\"\">&#8212;Please choose an option&#8212;<\/option><option value=\"DIY1.1\">DIY1.1<\/option><option value=\"QT3\">QT3<\/option><option value=\"Sqair\">Sqair<\/option><option value=\"SA600\">SA600<\/option><option value=\"Blast Mini\">Blast Mini<\/option><option value=\"Blast\">Blast<\/option><\/select><\/span> <\/label>\n<\/p>\n<p><label> 2. \u9009\u62e9\u56fd\u5bb6\u6216\u5730\u533a<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"country\"><select class=\"wpcf7-form-control wpcf7-select\" aria-invalid=\"false\" name=\"country\"><option value=\"\">&#8212;Please choose an option&#8212;<\/option><option value=\"Afghanistan\">Afghanistan<\/option><option value=\"Albania\">Albania<\/option><option value=\"Algeria\">Algeria<\/option><option value=\"American Samoa\">American Samoa<\/option><option value=\"Andorra\">Andorra<\/option><option value=\"Angola\">Angola<\/option><option value=\"Anguilla\">Anguilla<\/option><option value=\"Antigua and Barbuda\">Antigua and Barbuda<\/option><option value=\"Argentina\">Argentina<\/option><option value=\"Armenia\">Armenia<\/option><option value=\"Armenia\">Armenia<\/option><option value=\"Aruba\">Aruba<\/option><option value=\"Australia\">Australia<\/option><option value=\"Austria\">Austria<\/option><option value=\"Azerbaijan\">Azerbaijan<\/option><option value=\"Azerbaijan\">Azerbaijan<\/option><option value=\"Bahamas\">Bahamas<\/option><option value=\"Bahrain\">Bahrain<\/option><option value=\"Bangladesh\">Bangladesh<\/option><option value=\"Barbados\">Barbados<\/option><option value=\"Belarus\">Belarus<\/option><option value=\"Belgium\">Belgium<\/option><option value=\"Belize\">Belize<\/option><option value=\"Benin\">Benin<\/option><option value=\"Bermuda\">Bermuda<\/option><option value=\"Bhutan\">Bhutan<\/option><option value=\"Bolivia\">Bolivia<\/option><option value=\"Bonaire\">Bonaire<\/option><option value=\"Bosnia and Herzegovina\">Bosnia and Herzegovina<\/option><option value=\"Botswana\">Botswana<\/option><option value=\"Bouvet Island (Bouvetoya)\">Bouvet Island (Bouvetoya)<\/option><option value=\"Brazil\">Brazil<\/option><option value=\"British Indian Ocean Territory (Chagos Archipelago)\">British Indian Ocean Territory (Chagos Archipelago)<\/option><option value=\"British Virgin Islands\">British Virgin Islands<\/option><option value=\"Brunei Darussalam\">Brunei Darussalam<\/option><option value=\"Bulgaria\">Bulgaria<\/option><option value=\"Burkina Faso\">Burkina Faso<\/option><option value=\"Burundi\">Burundi<\/option><option value=\"Cambodia\">Cambodia<\/option><option value=\"Cameroon\">Cameroon<\/option><option value=\"Canada\">Canada<\/option><option value=\"Cape Verde\">Cape Verde<\/option><option value=\"Cayman Islands\">Cayman Islands<\/option><option value=\"Central African Republic\">Central African Republic<\/option><option value=\"Chad\">Chad<\/option><option value=\"Chile\">Chile<\/option><option value=\"China\">China<\/option><option value=\"Christmas Island\">Christmas Island<\/option><option value=\"Cocos (Keeling) Islands\">Cocos (Keeling) Islands<\/option><option value=\"Colombia\">Colombia<\/option><option value=\"Comoros\">Comoros<\/option><option value=\"Congo\">Congo<\/option><option value=\"Congo\">Congo<\/option><option value=\"Cook Islands\">Cook Islands<\/option><option value=\"Costa Rica\">Costa Rica<\/option><option value=\"Cote d&#039;Ivoire\">Cote d&#039;Ivoire<\/option><option value=\"Croatia\">Croatia<\/option><option value=\"Cuba\">Cuba<\/option><option value=\"Cura\u00e7ao\">Cura\u00e7ao<\/option><option value=\"Cyprus\">Cyprus<\/option><option value=\"Cyprus\">Cyprus<\/option><option value=\"Czech Republic\">Czech Republic<\/option><option value=\"Denmark\">Denmark<\/option><option value=\"Djibouti\">Djibouti<\/option><option value=\"Dominica\">Dominica<\/option><option value=\"Dominican Republic\">Dominican Republic<\/option><option value=\"Ecuador\">Ecuador<\/option><option value=\"Egypt\">Egypt<\/option><option value=\"El Salvador\">El Salvador<\/option><option value=\"Equatorial Guinea\">Equatorial Guinea<\/option><option value=\"Eritrea\">Eritrea<\/option><option value=\"Estonia\">Estonia<\/option><option value=\"Ethiopia\">Ethiopia<\/option><option value=\"Falkland Islands (Malvinas)\">Falkland Islands (Malvinas)<\/option><option value=\"Faroe Islands\">Faroe Islands<\/option><option value=\"Fiji\">Fiji<\/option><option value=\"Finland\">Finland<\/option><option value=\"France\">France<\/option><option value=\"French Guiana\">French Guiana<\/option><option value=\"French Polynesia\">French Polynesia<\/option><option value=\"French Southern Territories\">French Southern Territories<\/option><option value=\"Gabon\">Gabon<\/option><option value=\"Gambia\">Gambia<\/option><option value=\"Georgia\">Georgia<\/option><option value=\"Germany\">Germany<\/option><option value=\"Ghana\">Ghana<\/option><option value=\"Gibraltar\">Gibraltar<\/option><option value=\"Greece\">Greece<\/option><option value=\"Greenland\">Greenland<\/option><option value=\"Grenada\">Grenada<\/option><option value=\"Guadeloupe\">Guadeloupe<\/option><option value=\"Guam\">Guam<\/option><option value=\"Guatemala\">Guatemala<\/option><option value=\"Guernsey\">Guernsey<\/option><option value=\"Guinea\">Guinea<\/option><option value=\"Guinea-Bissau\">Guinea-Bissau<\/option><option value=\"Guyana\">Guyana<\/option><option value=\"Haiti\">Haiti<\/option><option value=\"Heard Island and McDonald Islands\">Heard Island and McDonald Islands<\/option><option value=\"Holy See (Vatican City State)\">Holy See (Vatican City State)<\/option><option value=\"Honduras\">Honduras<\/option><option value=\"Hong Kong\">Hong Kong<\/option><option value=\"Hungary\">Hungary<\/option><option value=\"Iceland\">Iceland<\/option><option value=\"India\">India<\/option><option value=\"Indonesia\">Indonesia<\/option><option value=\"Iran\">Iran<\/option><option value=\"Iraq\">Iraq<\/option><option value=\"Ireland\">Ireland<\/option><option value=\"Isle of Man\">Isle of Man<\/option><option value=\"Israel\">Israel<\/option><option value=\"Italy\">Italy<\/option><option value=\"Jamaica\">Jamaica<\/option><option value=\"Japan\">Japan<\/option><option value=\"Jersey\">Jersey<\/option><option value=\"Jordan\">Jordan<\/option><option value=\"Kazakhstan\">Kazakhstan<\/option><option value=\"Kazakhstan\">Kazakhstan<\/option><option value=\"Kenya\">Kenya<\/option><option value=\"Kiribati\">Kiribati<\/option><option value=\"Korea\">Korea<\/option><option value=\"Korea\">Korea<\/option><option value=\"Kuwait\">Kuwait<\/option><option value=\"Kyrgyz Republic\">Kyrgyz Republic<\/option><option value=\"Lao People&#039;s Democratic Republic\">Lao People&#039;s Democratic Republic<\/option><option value=\"Latvia\">Latvia<\/option><option value=\"Lebanon\">Lebanon<\/option><option value=\"Lesotho\">Lesotho<\/option><option value=\"Liberia\">Liberia<\/option><option value=\"Libyan Arab Jamahiriya\">Libyan Arab Jamahiriya<\/option><option value=\"Liechtenstein\">Liechtenstein<\/option><option value=\"Lithuania\">Lithuania<\/option><option value=\"Luxembourg\">Luxembourg<\/option><option value=\"Macao\">Macao<\/option><option value=\"Macedonia\">Macedonia<\/option><option value=\"Madagascar\">Madagascar<\/option><option value=\"Malawi\">Malawi<\/option><option value=\"Malaysia\">Malaysia<\/option><option value=\"Maldives\">Maldives<\/option><option value=\"Mali\">Mali<\/option><option value=\"Malta\">Malta<\/option><option value=\"Marshall Islands\">Marshall Islands<\/option><option value=\"Martinique\">Martinique<\/option><option value=\"Mauritania\">Mauritania<\/option><option value=\"Mauritius\">Mauritius<\/option><option value=\"Mayotte\">Mayotte<\/option><option value=\"Mexico\">Mexico<\/option><option value=\"Micronesia\">Micronesia<\/option><option value=\"Moldova\">Moldova<\/option><option value=\"Monaco\">Monaco<\/option><option value=\"Mongolia\">Mongolia<\/option><option value=\"Montenegro\">Montenegro<\/option><option value=\"Montserrat\">Montserrat<\/option><option value=\"Morocco\">Morocco<\/option><option value=\"Mozambique\">Mozambique<\/option><option value=\"Myanmar\">Myanmar<\/option><option value=\"Namibia\">Namibia<\/option><option value=\"Nauru\">Nauru<\/option><option value=\"Nepal\">Nepal<\/option><option value=\"Netherlands\">Netherlands<\/option><option value=\"Netherlands Antilles\">Netherlands Antilles<\/option><option value=\"New Caledonia\">New Caledonia<\/option><option value=\"New Zealand\">New Zealand<\/option><option value=\"Nicaragua\">Nicaragua<\/option><option value=\"Niger\">Niger<\/option><option value=\"Nigeria\">Nigeria<\/option><option value=\"Niue\">Niue<\/option><option value=\"Norfolk Island\">Norfolk Island<\/option><option value=\"Northern Mariana Islands\">Northern Mariana Islands<\/option><option value=\"Norway\">Norway<\/option><option value=\"Oman\">Oman<\/option><option value=\"Pakistan\">Pakistan<\/option><option value=\"Palau\">Palau<\/option><option value=\"Palestinian Territory\">Palestinian Territory<\/option><option value=\"Panama\">Panama<\/option><option value=\"Papua New Guinea\">Papua New Guinea<\/option><option value=\"Paraguay\">Paraguay<\/option><option value=\"Peru\">Peru<\/option><option value=\"Philippines\">Philippines<\/option><option value=\"Pitcairn Islands\">Pitcairn Islands<\/option><option value=\"Poland\">Poland<\/option><option value=\"Portugal\">Portugal<\/option><option value=\"Puerto Rico\">Puerto Rico<\/option><option value=\"Qatar\">Qatar<\/option><option value=\"Reunion\">Reunion<\/option><option value=\"Romania\">Romania<\/option><option value=\"Russian Federation\">Russian Federation<\/option><option value=\"Rwanda\">Rwanda<\/option><option value=\"Saint Barthelemy\">Saint Barthelemy<\/option><option value=\"Saint Helena\">Saint Helena<\/option><option value=\"Saint Kitts and Nevis\">Saint Kitts and Nevis<\/option><option value=\"Saint Lucia\">Saint Lucia<\/option><option value=\"Saint Martin\">Saint Martin<\/option><option value=\"Saint Pierre and Miquelon\">Saint Pierre and Miquelon<\/option><option value=\"Saint Vincent and the Grenadines\">Saint Vincent and the Grenadines<\/option><option value=\"Samoa\">Samoa<\/option><option value=\"San Marino\">San Marino<\/option><option value=\"Sao Tome and Principe\">Sao Tome and Principe<\/option><option value=\"Saudi Arabia\">Saudi Arabia<\/option><option value=\"Senegal\">Senegal<\/option><option value=\"Serbia\">Serbia<\/option><option value=\"Seychelles\">Seychelles<\/option><option value=\"Sierra Leone\">Sierra Leone<\/option><option value=\"Singapore\">Singapore<\/option><option value=\"Sint Maarten (Netherlands)\">Sint Maarten (Netherlands)<\/option><option value=\"Slovakia (Slovak Republic)\">Slovakia (Slovak Republic)<\/option><option value=\"Slovenia\">Slovenia<\/option><option value=\"Solomon Islands\">Solomon Islands<\/option><option value=\"Somalia\">Somalia<\/option><option value=\"South Africa\">South Africa<\/option><option value=\"South Georgia &amp; S. Sandwich Islands\">South Georgia &amp; S. Sandwich Islands<\/option><option value=\"Spain\">Spain<\/option><option value=\"Sri Lanka\">Sri Lanka<\/option><option value=\"Sudan\">Sudan<\/option><option value=\"Suriname\">Suriname<\/option><option value=\"Svalbard &amp; Jan Mayen Islands\">Svalbard &amp; Jan Mayen Islands<\/option><option value=\"Swaziland\">Swaziland<\/option><option value=\"Sweden\">Sweden<\/option><option value=\"Switzerland\">Switzerland<\/option><option value=\"Syrian Arab Republic\">Syrian Arab Republic<\/option><option value=\"Taiwan\">Taiwan<\/option><option value=\"Tajikistan\">Tajikistan<\/option><option value=\"Tanzania\">Tanzania<\/option><option value=\"Thailand\">Thailand<\/option><option value=\"Timor-Leste\">Timor-Leste<\/option><option value=\"Togo\">Togo<\/option><option value=\"Tokelau\">Tokelau<\/option><option value=\"Tonga\">Tonga<\/option><option value=\"Trinidad and Tobago\">Trinidad and Tobago<\/option><option value=\"Tunisia\">Tunisia<\/option><option value=\"Turkey\">Turkey<\/option><option value=\"Turkey\">Turkey<\/option><option value=\"Turkmenistan\">Turkmenistan<\/option><option value=\"Turks and Caicos Islands\">Turks and Caicos Islands<\/option><option value=\"Tuvalu\">Tuvalu<\/option><option value=\"U.S. Virgin Islands\">U.S. Virgin Islands<\/option><option value=\"U.S. Minor Outlying Islands\">U.S. Minor Outlying Islands<\/option><option value=\"Uganda\">Uganda<\/option><option value=\"Ukraine\">Ukraine<\/option><option value=\"United Arab Emirates\">United Arab Emirates<\/option><option value=\"United Kingdom\">United Kingdom<\/option><option value=\"United States of America\">United States of America<\/option><option value=\"Uruguay\">Uruguay<\/option><option value=\"Uzbekistan\">Uzbekistan<\/option><option value=\"Vanuatu\">Vanuatu<\/option><option value=\"Venezuela\">Venezuela<\/option><option value=\"Vietnam\">Vietnam<\/option><option value=\"Wallis and Futuna\">Wallis and Futuna<\/option><option value=\"Western Sahara\">Western Sahara<\/option><option value=\"Yemen\">Yemen<\/option><option value=\"Zambia\">Zambia<\/option><option value=\"Zimbabwe\">Zimbabwe<\/option><\/select><\/span> <\/label>\n<\/p>\n<p><label> 3. \u6bcf\u5929\u4f7f\u7528\u65f6\u95f4<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"hours\"><input class=\"wpcf7-form-control wpcf7-number wpcf7-validates-as-required wpcf7-validates-as-number\" min=\"0\" max=\"24\" aria-required=\"true\" aria-invalid=\"false\" value=\"8\" type=\"number\" name=\"hours\" \/><\/span> <\/label>\n<\/p>\n<p><label>4. \u6700\u8fd1\u4e00\u6b21\u66f4\u6362\u6ee4\u7f51\u7684\u65f6\u95f4<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"date-changed\"><input class=\"wpcf7-form-control wpcf7-date wpcf7-validates-as-date\" aria-invalid=\"false\" value=\"\" type=\"date\" name=\"date-changed\" \/><\/span><\/label>\n<\/p>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"ignore-date\"><span class=\"wpcf7-form-control wpcf7-checkbox\"><span class=\"wpcf7-list-item first last\"><label><input type=\"checkbox\" name=\"ignore-date[]\" value=\"\u5ffd\u7565\u65e5\u671f\uff0c\u53ea\u7ed9\u6211\u770b\u65f6\u95f4\u5427\uff01\" \/><span class=\"wpcf7-list-item-label\">\u5ffd\u7565\u65e5\u671f\uff0c\u53ea\u7ed9\u6211\u770b\u65f6\u95f4\u5427\uff01<\/span><\/label><\/span><\/span><\/span>\n<\/p>\n<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"\u7b97\u6211\u7684HEPA\u6ee4\u7f51\u5bff\u547d\" \/>\n<\/p>\n<p><script type=\"text\/javascript\">\njQuery(document).ready(function(jQuery){\njQuery(\".wpcf7-form-control\").prop('required',true);\njQuery(\".wpcf7-form\").removeAttr('novalidate');\njQuery(\".change_date_info\").hide();\njQuery(\"#mauticform_wrapper_hepareminderform\").hide();\n});\n jQuery(\"#ignore-date\").click(function(e) {\n var date_changed = jQuery(\"#date-changed\");\n var input = jQuery(this).find(\"input\");\n var checked = input.prop('checked');\n if(checked) {\n date_changed.prop('aria-required', false);\n date_changed.prop('required', false);\n date_changed.prop('disabled', true);\n } else {\n date_changed.prop('aria-required', true);\n date_changed.prop('required', true);\n date_changed.prop('disabled', false);\n }\n\n\n});\n jQuery(\"#calculate\").click(function(event) {\n event.preventDefault();\n var form = jQuery(\"#lifespan-calculator\");\n if (! form[0].checkValidity()) {\n form[0].reportValidity();\n return;\n }\n form.fadeTo('fast', 0.5).attr('disabled', 'disabled');\n var loading = jQuery(\"#loading\");\n loading.fadeTo('fast', 1);\n var hours = parseFloat(jQuery(\"#hours\").val());\n var purifier = jQuery(\"#purifier\").val();\n var country = jQuery(\"#country\").val();\n var change_date = jQuery(\"#date-changed\").val();\n var pm25 = {\"Albania\": 14.5,\n\"Andorra\": 10.0,\n\"Australia\": 7.0,\n\"Austria\": 12.9,\n\"Bahrain\": 56.0,\n\"Bangladesh\": 71.3,\n\"Belgium\": 12.8,\n\"Bosnia and Herzegovina\": 52.7,\n\"Brazil\": 13.1,\n\"Bulgaria\": 21.4,\n\"Cameroon\": 82.7,\n\"Canada\": 6.9,\n\"Chile\": 26.9,\n\"China\": 40.7,\n\"Colombia\": 25.4,\n\"Costa Rica\": 24.3,\n\"Croatia\": 17.0,\n\"Cuba\": 35.0,\n\"Cyprus\": 14.8,\n\"Czechia\": 18.6,\n\"Denmark\": 10.7,\n\"Ecuador\": 14.5,\n\"El Salvador\": 27.0,\n\"Estonia\": 5.0,\n\"Fiji\": 8.0,\n\"Finland\": 5.7,\n\"France\": 11.8,\n\"Georgia\": 21.0,\n\"Germany\": 12.2,\n\"Ghana\": 55.0,\n\"Greece\": 16.1,\n\"Guatemala\": 38.0,\n\"Hungary\": 14.8,\n\"Iceland\": 7.7,\n\"India\": 83.1,\n\"Indonesia\": 39.0,\n\"Iran\":\t32.8,\n\"Ireland\": 8.0,\n\"Israel\": 22.2,\n\"Italy\": 16.4,\n\"Japan\": 15.0,\n\"Jordan\": 19.0,\n\"Kenya\": 17.0,\n\"Kuwait\": 47.3,\n\"Latvia\": 13.8,\n\"Lebanon\": 30.3,\n\"Liberia\": 9.5,\n\"Lithuania\": 13.3,\n\"Luxembourg\": 12.2,\n\"Madagascar\": 37.0,\n\"Malta\": 12.3,\n\"Mexico\": 23.4,\n\"Mongolia\": 92.0,\n\"Montenegro\": 16.0,\n\"Morocco\": 29.0,\n\"Nepal\": 49.0,\n\"Netherlands\": 11.3,\n\"New Zealand\": 10.8,\n\"Norway\": 7.6,\n\"Pakistan\": 79.3,\n\"Panama\": 14.0,\n\"Paraguay\": 18.0,\n\"Peru\": 39.0,\n\"Philippines\": 28.0,\n\"Poland\": 22.4,\n\"Portugal\": 7.7,\n\"Republic of Korea\": 25.4,\n\"Romania\": 15.9,\n\"Russian Federation\": 14.0,\n\"Saudi Arabia\": 65.5,\n\"Senegal\": 21.0,\n\"Serbia\": 23.0,\n\"Singapore\": 18.0,\n\"Slovakia\": 17.6,\n\"Slovenia\": 17.3,\n\"South Africa\": 28.2,\n\"Spain\": 8.5,\n\"Sweden\": 5.7,\n\"Switzerland\": 9.8,\n\"Thailand\": 28.0,\n\"The former Yugoslav Republic of Macedonia\": 40.0,\n\"Turkey\": 23.5,\n\"Uganda\": 104.0,\n\"Ukraine\": 22.0,\n\"United Kingdom\": 10.2,\n\"United Republic of Tanzania\": 23.0,\n\"United States of America\": 8.0,\n\"Uruguay\": 8.0,\n\"Vietnam\": 45.0}\nvar Cout = pm25[country];\nconst kv = 1.0;\nconst Pp = 0.8;\nconst ko = 0.2;\nconst h = 2.4;\nconst ccms = {\n \"QT3\": 640,\n \"DIY1.1\":1200,\n \"Sqair\":4000,\n \"SA600\":7400,\n \"Blast Mini\":18000,\n \"Blast\":45800}\n const S = {\n \"QT3\":12,\n \"DIY1.1\":15,\n \"Sqair\":40,\n \"SA600\":55,\n \"Blast Mini\":85,\n \"Blast\": 130\n }\nCout = Cout === undefined ? 30 : Cout; \/\/ if country doesn't exist in the list, then use a bog-standard number of 30 - WHO gives average of all cities as 21, but to take into account that there are more measurements in developed countries where PM2.5 is lower, we double this.\nvar Ct = Math.floor(Cout*0.1); \/\/ make indoor levels 10% of outdoor levels;\nCt = Cout < 20 ? 0 : Ct; \/\/ for places with really low outdoor levels, make the indoor requirement 0 - more conservative\nCout = Cout < 25 ? (20 + Cout*0.25) : Cout; \/\/ for really low outdoor pollution levels, it's possible that indoor particulate might be higher (dust, pet hair etc.) so we artificially increase the number by 50%\nvar mac = (kv*Pp*Cout - (ko + kv)*Ct)*S[purifier]*h*hours\/1000;\nvar days = ccms[purifier]\/mac;\nvar res_hours = Math.floor(days*hours\/50.0)*50;\nvar months = Math.floor(days\/30);\nsetTimeout(() => {\nloading.fadeTo('fast', 0);\nform.fadeTo('fast', 1). removeAttr('disabled');\njQuery(\"#res_lifespan_months\").text(months);\njQuery(\"#res_lifespan_hours\").text(res_hours);\nvar has_change_date = change_date !== null && change_date.length;\nchange_date = change_date ? Date.parse(change_date) : new Date().getTime();\nnew_change_date = new Date(change_date + months*30*24*60*60*1000);\njQuery(\"#res_change_date\").text(new_change_date.toLocaleDateString('en', {day: 'numeric', month: 'long', year: 'numeric'}));\njQuery(\"#mauticform_input_hepareminderform_replacement_date\").val(new_change_date.toISOString().split('T')[0]);\njQuery(\"#mauticform_input_hepareminderform_purifier\").val(purifier);\nif (has_change_date) {\njQuery(\".change_date_info\").show();\njQuery(\"#mauticform_wrapper_hepareminderform\").show();\n} else {\njQuery(\".change_date_info\").hide();\njQuery(\"#mauticform_wrapper_hepareminderform\").hide();\n}\njQuery(\"#res\").fadeTo('fast', 1);\n}, 1500);\n });\n\/\/ populate fields from request URL\nlet params = new URLSearchParams(window.location.search)\nfor (const [key, value] of params) {\n var elem = jQuery(\"#\" + key);\n if (elem.length) {\n if (elem.is(\"select\")) {\n jQuery(\"select[name=\" + key + \"] option[value=\" + value + \"]\").attr('selected', 'selected');\n } else {\n elem.attr('value', value);\n }\n }\n}\nif (params.has('submit') && params.get('submit') === 'true') {\njQuery(\"#calculate\").click();\n}\n<\/script>\n<\/p><p style=\"display: none !important;\" class=\"akismet-fields-container\" data-prefix=\"_wpcf7_ak_\"><label>&#916;<textarea name=\"_wpcf7_ak_hp_textarea\" cols=\"45\" rows=\"8\" maxlength=\"100\"><\/textarea><\/label><input type=\"hidden\" id=\"ak_js_2\" name=\"_wpcf7_ak_js\" value=\"157\"\/><script>document.getElementById( \"ak_js_2\" ).setAttribute( \"value\", ( new Date() ).getTime() );<\/script><\/p><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n\n\n\n\n<div id=\"loading\"><\/div><div id=\"res\" style=\"display:none\">\n<h3>\u7ed3\u679c<\/h3>\n<div class=\"change_date_info\"><span id=\"res_change_date\"><\/span><span class=\"result\">\u524d\u66f4\u6362\u6ee4\u7f51<\/span>\n<span id=\"explainer\">\u5efa\u8bae\u5728\u8fd9\u4e2a\u65e5\u671f\u524d\u66f4\u6362\u6ee4\u7f51\uff0c\u4ee5\u786e\u4fdd\u7a7a\u6c14\u51c0\u5316\u5668\u7684\u6700\u4f73\u6027\u80fd\u3002<\/span><\/div>\n<span class=\"result\">HEPA\u6ee4\u7f51\u5bff\u547d\uff1a <span id=\"res_lifespan_months\"><\/span> months<\/span> (\u6216\u8005 <span id=\"res_lifespan_hours\"><\/span> \u9500\u552e).\n<span id=\"explainer\">\u8fd9\u662f\u5728\u4e0b\u4e00\u6b21\u66f4\u6362\u6ee4\u7f51\u4e4b\u524d\u53ef\u4ee5\u8fd0\u884c\u7a7a\u6c14\u51c0\u5316\u5668\u7684\u65f6\u957f\u3002\u7136\u800c\uff0c\u6211\u4eec\u5efa\u8bae\u5b9a\u671f\u68c0\u67e5HEPA\u6ee4\u7f51\uff0c\u5e76\u4e14\uff0c\u5982\u679c\u4f60\u7684\u51c0\u5316\u5668\u914d\u7f6e\u6709\u524d\u6ee4\u7f51\uff0c\u4e5f\u5e94\u5b9a\u671f\u6e05\u6d17\u3002<\/span>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"gb-headline gb-headline-743d26df gb-headline-text\">\u79d1\u5b66\u602a\u4eba\u6307\u8def<\/h3>\n\n\n\n<p>\u8be6\u7ec6\u4e86\u89e3<a href=\"https:\/\/smartairfilters.com\/zh\/blog\/when-to-change-your-air-purifiers-hepa-filter\/\">\u54ea\u4e9b\u56e0\u7d20\u4f1a\u5f71\u54cdHEPA\u6ee4\u7f51\u7684\u5bff\u547d<\/a>\uff0c\u4ee5\u53ca\u5173\u4e8e<a href=\"https:\/\/smartairfilters.com\/zh\/blog\/when-to-change-your-air-purifiers-hepa-filter\/\">\u6ee4\u7f51\u66f4\u6362\u9891\u7387<\/a>\u7684\u7ec6\u8282\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u8fd9\u4e2a\u8ba1\u7b97\u5668\u7684\u539f\u7406\u662f\u4ec0\u4e48\uff1f<\/h4>\n\n\n\n<p style=\"font-size:15px\">\u8fd9\u4e2a\u8ba1\u7b97\u5668\u57fa\u4e8e\u4e16\u754c\u536b\u751f\u7ec4\u7ec7\u7684\u7a7a\u6c14\u6c61\u67d3\u6570\u636e\u4f30\u7b97HEPA\u6ee4\u7f51\u5728\u7279\u5b9a\u56fd\u5bb6\u6216\u5730\u533a\u7684\u4f7f\u7528\u65f6\u957f\uff08<a href=\"https:\/\/www.who.int\/data\/gho\/data\/themes\/air-pollution\/who-air-quality-database\">\u6d9e\u6e90<\/a>\uff09\u3002\u5f53HEPA\u6ee4\u7f51\u63d0\u4f9b\u6e05\u6d01\u7a7a\u6c14\u7684\u6548\u7387\u4e0b\u964d\u5230\u521d\u59cb\u503c\u768450%\u65f6\uff0c\u5c31\u9700\u8981\u66f4\u6362\u3002<\/p>\n\n<\/div><\/div>\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u7528\u8fd9\u4e2a\u7b80\u5355\u7684\u8ba1\u7b97\u5668\u4f30\u7b97\u66f4\u6362\u7a7a\u6c14\u51c0\u5316\u5668\u7684HEPA\u6ee4\u7f51\u7684\u9891\u7387\u3002\u53ea\u9700\u89813\u4e2a\u7b80\u5355\u7684\u6b65\u9aa4\uff1a \u7ed3\u679c \u524d\u66f4\u6362\u6ee4\u7f51  &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"HEPA\u6ee4\u7f51\u66f4\u6362\u8ba1\u7b97\u5668\" class=\"read-more button\" href=\"https:\/\/smartairfilters.com\/zh\/when-change-hepa-filter\/#more-19262\" aria-label=\"\u9605\u8bfb HEPA\u6ee4\u7f51\u66f4\u6362\u8ba1\u7b97\u5668\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"4928,7830,10414,6602,12577,11976","_relevanssi_noindex_reason":"","footnotes":""},"class_list":["post-19262","page","type-page","status-publish"],"acf":[],"_links":{"self":[{"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/pages\/19262","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/comments?post=19262"}],"version-history":[{"count":29,"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/pages\/19262\/revisions"}],"predecessor-version":[{"id":28754,"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/pages\/19262\/revisions\/28754"}],"wp:attachment":[{"href":"https:\/\/smartairfilters.com\/zh\/wp-json\/wp\/v2\/media?parent=19262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}