<div class='ui dimmer modals page' style='display: none;'><div id='helpie-password-modal' class='pauple_helpie ui modal small' style='display: none;'><div class='ui header'><i class='circular lock icon'></i> Password Protected</div><div class='item-content'><br /><label for='password_check'>Enter Password : </label><p><input type='password' id='password_check' name='password_check' class='password' value='' required></p></div><div class='actions'><div class='ui black deny button'>Nope</div><div class='ui positive right labeled icon button'>Yep, that's right!<i class='checkmark icon'></i></div></div><div class='clear'></div></div></div>{"id":4085,"date":"2020-02-20T02:45:06","date_gmt":"2020-02-20T02:45:06","guid":{"rendered":"https:\/\/smartairfilters.com\/learn\/smart-air-knowledge-base\/why-not-choose-a-higher-grade-filter\/"},"modified":"2020-07-15T11:06:27","modified_gmt":"2020-07-15T03:06:27","slug":"why-not-choose-a-higher-grade-filter","status":"publish","type":"pauple_helpie","link":"https:\/\/smartairfilters.com\/learn\/smart-air-knowledge-base\/why-not-choose-a-higher-grade-filter\/","title":{"rendered":"Why Not Choose a Higher Grade Filter?"},"content":{"rendered":"<div class='breadcrumbs pauple_helpie_breadcrumbs'><a class='mainpage-link' href='https:\/\/smartairfilters.com\/learn\/'>Knowledge Base<\/a> <span class='helpiekb_separator'> &nbsp;&nbsp; <i class='fa fa-angle-right' aria-hidden='true'><\/i>&nbsp;&nbsp;<\/span><a class='mainpage-link' href='https:\/\/smartairfilters.com\/learn\/cat\/smart-air-purifiers\/'>Smart Air Purifiers<\/a> <span class='helpiekb_separator'> &nbsp;&nbsp; <i class='fa fa-angle-right' aria-hidden='true'><\/i>&nbsp;&nbsp;<\/span><a class='mainpage-link' href='https:\/\/smartairfilters.com\/learn\/smart-air-knowledge-base\/why-not-choose-a-higher-grade-filter\/'>Why Not Choose a Higher Grade Filter?<\/a> <\/div><p>A common misunderstanding is that a higher purification effectiveness is better. In actual fact, a HEPA filter has to be assessed for its ability to capture particles and block wind. The better its ability in catching particles, the better its ability in blocking wind. We need to choose one that is effective and cost-effective.<br \/>\nWe did many tests using filters of different effectiveness (99.5%, 99.95% and 99.995%) to compare the CADR. We choose the most cost-effective filter for each Smart Air product based on the strength of the fan and actual test data.<\/p>\n<div class='pauple-helpie-module article-voting'><span class='label'>Was this article useful?<\/span><span data-post-id='4085' data-user-id='0' class='icon-tray'><span  data-vote='thumbs up outline' class=' voting-icon thumbs up outline '><i data-content='thumbs up outline' class='thumbs up outline outline icon' aria-hidden='true'><\/i><count>4<\/count><\/span><span  data-vote='thumbs down outline' class=' voting-icon thumbs down outline '><i data-content='thumbs down outline' class='thumbs down outline outline icon' aria-hidden='true'><\/i><count>0<\/count><\/span><\/span><\/div><div style='clear:both;'><\/div>","protected":false},"excerpt":{"rendered":"<p>Knowledge Base &nbsp;&nbsp; &nbsp;&nbsp;Smart Air Purifiers &nbsp;&nbsp; &nbsp;&nbsp;Why Not Choose a Higher Grade Filter? A common misunderstanding is that a higher purification effectiveness is better. In actual fact, a HEPA filter has to be assessed for its ability to capture particles and block wind. The better its ability in catching &#8230; <a title=\"Why Not Choose a Higher Grade Filter?\" class=\"read-more\" href=\"https:\/\/smartairfilters.com\/learn\/smart-air-knowledge-base\/why-not-choose-a-higher-grade-filter\/\" aria-label=\"Read more about Why Not Choose a Higher Grade Filter?\">Read more<\/a><\/p>\n","protected":false},"author":4824,"featured_media":0,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","format":"standard","meta":{"_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":"","_relevanssi_noindex_reason":"","footnotes":""},"helpdesk_category":[603],"helpie_tag":[185,99,145,162,161,270,262,287],"helpie_add_tag":[],"helpie_up_tag":[],"class_list":["post-4085","pauple_helpie","type-pauple_helpie","status-publish","format-standard","hentry","helpdesk_category-smart-air-purifiers","helpie_tag-blast","helpie_tag-blast-mini","helpie_tag-cadr","helpie_tag-clean","helpie_tag-effective","helpie_tag-ffu","helpie_tag-filter","helpie_tag-grade"],"_links":{"self":[{"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie\/4085","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie"}],"about":[{"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/types\/pauple_helpie"}],"author":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/users\/4824"}],"replies":[{"embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/comments?post=4085"}],"version-history":[{"count":2,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie\/4085\/revisions"}],"predecessor-version":[{"id":4901,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/pauple_helpie\/4085\/revisions\/4901"}],"wp:attachment":[{"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/media?parent=4085"}],"wp:term":[{"taxonomy":"helpdesk_category","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpdesk_category?post=4085"},{"taxonomy":"helpie_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpie_tag?post=4085"},{"taxonomy":"helpie_add_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpie_add_tag?post=4085"},{"taxonomy":"helpie_up_tag","embeddable":true,"href":"https:\/\/smartairfilters.com\/learn\/wp-json\/wp\/v2\/helpie_up_tag?post=4085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}