Honeywell HPA300 Compatible HEPA Air Purifier Filters – Our True HEPA H13 filters capture 99.97% of airborne particles up to 0.3 microns in size. Our premium Honeywell HPA300 replacement filters are compatible with Honeywell HPA300 series (Honeywell R Filter). Time to say goodbye to dust and hello to clean air. Perfect to Remove Dust, Pollen, and Odors – Airity’s premium HPA300 HEPA filter replacement (Honeywell R Filter) and activated carbon prefilters (Honeywell A Filter) reduce exposure to allergens such as dust and pollen. Ideal for homes with pets or anyone who suffers from allergies or asthma. Premium Medical Grade Quality – Airity HEPA 13 / MERV 17 filters are a premium medical grade quality HPA300 HEPA filter replacement. Combined with the Airity activated carbon prefilters, you can breathe easy knowing your home has cleaner and fresher air. Designed for HONEYWELL HPA300 Series – The Airity HPA300 HEPA Filter Replacement Pack contains HEPA 13 Filters & Activated Carbon Prefilters custom designed for the Honeywell Air Purifier HPA300 series. Our Honeywell air purifier replacement filters also fit HPA090, HPA100, HPA200, HPA250, HPA304, HPA8350, HRF-R1, HRF-R2, HRF-R3, HRF-ARVP300. Our prefilters are custom fit for the HPA300. HEPA Filter R Dimensions: 10.2” x 6.5” x 1.6”. Activated Carbon Prefilter A Dimensions: 14.2” x 17.3” x 0.2". Amazing Value – This all-in-one complete Honeywell HEPA filter replacement set contains 3 True HEPA Premium Air Purifier R Filters and 4 Premium Precut Activated Carbon A Prefilters compatible with Honeywell HPA300 air purifiers. Airity HEPA 13 filters are great HEPA filter replacements for Honeywell air purifier filters for the Honeywell HPA300 series. Our prefilter extends the life of the main Honeywell air purifier filter - both are especially designed to save you time & money.