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Compare Hunter 30917 Replacement Filter for HEPAtech Air Purfiers with Hunter Fan Company items product

List Price: $29.99 With Deal: $12.94 Details You save: $17.05 Customers Who Seen This Item Also Compare with HEPA Air Purifiers For US/UK/DE visitors, to buy Hunter 30917 Replacement Filter for HEPAtech Air Purfiers, please go to: not a HEPA filter, name deceptive This is not a HEPA filter, since it does not meet HEPA standards in terms of particle filtration efficiency. Putting "HEPA" in the name is deceptive, and allows to sell a cheap item for several times the price. I got this to test the filter media to see if it can be used for a true HEPA application in an electronics room. We have tested this filter at 60 CFM using an APC plus particle counter and got the following readings (presented as counts in the 0.3, 0.5, 1.0, and 5.0 micron ranges). Numbers are accurate to within 10%. Ambient air: 20565, 1125, 254, 0 Hunter-Filtered air: 2102, 51, 32, 0 Positive control (true HEPA filter - we used a Whatman HEPA-CAP here to make sure the counter is accurate) 0, 0, 0, 0. Thus, this filter is ~90% efficient - which should be enough for the most folks to achieve an allergy relief, but also could be achieved by a variety of much cheaper electrostatic filters rated above MERV10 one...

See Products Related To Hunter 30917 Replacement Filter for HEPAtech Air Purfiers: Hunter Fan Company HEPAtech replacement filter fits model #30027 just as I expected This was the cheapest place and one of the very few places to purchase the replacement filters. I have replaced the filters only once. they were pricey and I expected that when I realized I could not get them at the corner hardware store or bulk item store. I rated the filters with 3 stars for this reason only. The filters work fine.

not a HEPA filter, name deceptive This is not a HEPA filter, since it does not meet HEPA standards in terms of particle filtration efficiency. Putting "HEPA" in the name is deceptive, and allows to sell a cheap item for several times the price. I got this to test the filter media to see if it can be used for a true HEPA application in an electronics room. We have tested this filter at 60 CFM using an APC plus particle counter and got the following readings (presented as counts in the 0.3, 0.5, 1.0, and 5.0 micron ranges). Numbers are accurate to within 10%. Ambient air: 20565, 1125, 254, 0 Hunter-Filtered air: 2102, 51, 32, 0 Positive control (true HEPA filter - we used a Whatman HEPA-CAP here to make sure the counter is accurate) 0, 0, 0, 0. Thus, this filter is ~90% efficient - which should be enough for the most folks to achieve an allergy relief, but also could be achieved by a variety of much cheaper electrostatic filters rated above MERV10 one...