Honeywell HEPA Air Purifier Compatible Filter Set - Set includes 3 premium HEPA air purifying filters compatible with Honeywell HA300, HPA300, HPA300VP, HPA304, HPA3300, HPA5300 & HPA8350 air purifier Filter R, HRF-R3, HRF-R2 & HRF-R1 and 4 activated carbon prefilters compatible with Honeywell air purifier Filter A, HRF-AP1 & HRF-A300.All-in-One Replacement Pack for Your Honeywell HPA300 Replacement Filters - Perfect fit specifically for Honeywell HA300, HPA300, HPA300VP, HPA304, HPA3300, HPA5300 & HPA8350 air purifiers. Our compatible Honeywell True HEPA HRF R3 filter dimensions are 10.2” x 6.5” x 1.6”. Pre-filter dimensions are 14.2” x 17.2” x 0.2”. Never waste your time measuring and cutting prefilters again!.HEPA 13 Material - Our filters for Honeywell HEPA filter replacement are constructed with premium HEPA 13 / MERV 17 material to greatly improve the overall air quality of your living space.Get Rid Of Odors, Smoke & Smells - Our premium activated carbon pre-filters help keep your home, office, or room smelling fresh and clean. Our replacements for Honeywell HPA300 filters are perfect for homes with smokers, pets, open layout kitchens, and more.Save Money - Reduce your electricity bill by replacing your old, clogged Honeywell R Filter that cause your Honeywell air filter to work harder than necessary. Start saving now with high-grade HEPA 13 filter replacements for Honeywell filters!