The Honeywell 21500 Replacement HEPA Filter is a compatible version of the genuine Honeywell Replacement HEPA Filter 21500. This replacement HEPA filter is also known as part number 21500 R. The Honeywell HEPA 21500 Filter captures 99.97% of airborne particles as small as 0.3 microns. This HEPA filter replacement reduces airborne allergens like mites, mold spores, pet dander, smoke and dust.
Honeywell 21500 HEPA Filter specifications:
The Honeywell HEPA 21500 Replacement Filter fits the following Honeywell Air Cleaners: Honeywell 11500 Series, Honeywell 11520 Series, Honeywell 17200 Series, Honeywell 18150 Series, Honeywell 50150, Honeywell 51500,Honeywell 61500 and Honeywell 83330. Be sure to check your air filtration unit to ensure you are getting the right compatible HEPA replacement cartridge.
For optimum results, replace your Honeywell 21500 HEPA Filter Cartridge every 1 to 3 years depending on indoor environmental conditions.