Types of Filters

ओह! यह पोस्ट हिन्दी में उपलब्ध नही हैं।अंग्रेजी संस्करण के हेतु यहाँ क्लिक करे l

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Miika

Great reading, whole blog, most appreciated thank you! If we go deeper, what do you think about quality of those impregnated carbon filters what are used as pre-filters for actual HEPA? Some ordinary e.g. Electrolux air purifier used in Europe market area use following pre-filter https://www.amazon.co.uk/Electrolux-EF109-Accessories-Purifier-Activated-Carbon-x/dp/B008PORWJ0 How is activated carbon attached to plastic (I think that it is not microglass fiber) filtration material? Can the activated carbon itself shed and cause pollution? Hard to find any kind of quality assurance and/or test document. Can the carbon itself contain some heavy metals and to what extent and so forth. What I… Read more »

[…] draw too broad of a conclusion here. This doesn’t mean ALL air purifiers are junk. Instead, I use HEPA filters. HEPAs actually capture particles, and they are backed by empirical tests (1, 2, 3, 4, 5, 6). […]