50000293-001 Honeywell Post Filter 16x20 F50F, F300E (set of 2)
Honeywell High Efficiency Antimicrobial Postfilter for Electronic Air Cleaners. (set of 2) Lasts up to six Months.
Add a Honeywell High Efficiency Postfilter to your Honeywell Whole-house Air Cleaner and capture even more of the particles making your home's environment uncomfortable. The Honeywell High Efficiency Postfilter features patented filtration technology that improves filtration efficiency without reducing the air flow through your air cleaner, minimizing the strain put on your central air system.