The True HEPA Replacement Filter captures up to 99.97% of particles such as household dust, smoke, pollen, mold spores and pet dander. This universal filter is designed to replace Honeywell True HEPA filter numbers 20500 and 20590.
Features
Replacement filter D (replaces HRF-11)
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, 1700, 17005, and 17352 (or HEPA filter no. 20500, 83154) two HRF-D1 filters are needed