- [Perfect Fit] The carbon pre-filter is pre-cut to 14-1/4” x 17” x 1/4”. Compatible with Honeywell HPA300, HA300, HPA304, HPA3300, HPA5300, HPA8350 series air purifiers, replace# HRF-A300, Pre-filter A & HRF-AP1. All manufacturers’ names and part numbers are used for compatibility information only.
- [Thickened Design] Upgraded carbon pre-filter is thickened to 1/4 inch and about twice as dense, effectively improving the odor-reducing effect by 50%. Our filters are capable of filtering the smoke produced by wildfires, rendering the indoor air pure and delightful.
- [Protect HEPA Filter] Thicker carbon pre-filter greatly reduces the amount of large substance getting into the main filter, which maximizes the life of the HEPA filter
- [Effortless Setup] Just take the original filter out, and fit the new one in
- [Cost Effective] Get six better odor control pre-filters for half the price of the original brand.
