Average Reviews:
(More customer reviews)The "Features:" and "Product Discription" do not list the correct Honeywell air cleaner model numbers that use this filter. Here is the "Replacement Filter Table" on the box of the HRF-11. The first number is the Air Purifier series followed by the # of filters required in parenthesis. The last, right number is for the HEPA filter model # it replaces:
10500 (2) 20500
10590 (1) 20590
17000 (2) 20500
50100 (1) 20590
As another reviewer has already noted, this is not really a 'permanent' filter because it must be replaced every 3-5 years under normal use, just like the non-permanent filter that originally came with the air cleaner.
I'm giving it 4 stars for two reasons: 1. Because I really do not find a difference in the way this works yet compared to the filter that came with my 17000; and 2. My machine requires two of these so the air actually goes through less HEPA material than the one-piece filter that came with the machine [casing and spacer where HEPA material would be if a one piece filter]. Only time will tell if I have to replace this sooner than I would for a one piece filter (yearly) due to it's usage in a room with a wood stove.
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Honeywell HFR-11 Pure HEPA Permanent Replacement Filter
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