Honeywell Air Purifier Replacement Filter, -D1, D Filter, 1 Pack

To ensure stated product performance, use only Certified Honeywell Replacement Filters Replacement Filter D (replaces -11) Captures up to 99.97% of airborne particles at 0.3 microns Package includes 1 filter, which should be replaced every 3 to 5 years Use with Honeywell model series: 10500, 10590, 17000 and 50100  For air purifier model 10500 (or filter no. 20500) two -D1 filters are needed  For air purifier model 17000 (or filter no. 20500) two -D1 filters are needed For air purifier model 17005 (or filter no. 20500) two -D1 filters are needed  For air purifier model 17352 (or filter no. 83154) two -D1 filters are needed