4 Pack HRF-A300 Pre HEPA Air Purifiers for Honeywell HPA300, Compatible with HRF-AP1 & HPA300 Series, Washable Dust & Pet Hair Prefilter for HPA304, HPA3300

["Size and Model Compatibility—These pre-filters are designed to fit Honeywell HPA300, HPA304, HPA3300, HPA5300, HPA8350, and HA300 models. They are an ideal honeywell prefilter replacement, compatible with hrf-ap1 honeywell prefilter specifications. Exact Dimensions: 17.2 inches long × 14.2 inches wide × 0.2 inches high.","Capture More, Breathe Better—The carbon pre filter layer is impregnated with activated carbon filters to help trap airborne irritants like dust, pollen, and pet dander before they circulate. This pre-filter acts as the first line of defense for your air purifier system.","Neutralize Unwanted Odors—The built-in carbon component in these carbon filters helps absorb common household smells from cooking, smoking, and pets. Enjoy noticeably fresher air between deep HEPA filter changes.","Maximize Filter Life & Savings—By using these honeywell pre filter replacement sheets, you reduce the amount of debris reaching the main HEPA filter, extending its useful life. The 4/6 pack offers an economical way to maintain peak performance.","Simple Swap, No Tools Needed—Designed for hassle-free replacement: open the grille, remove the old pre-filter, and insert the new one. If you have any issues with your honeywell prefilter or carbon pre filter, our responsive customer service is just a message away."]