Amazon.com: AprilAire RF09550P Allergy + Pet True HEPA Air Purifier Replacement Filter for AprilAire 9550 Room Air Purifier, Removes Pet Allergens, Viruses, & Odors, Ozone Free : Home & Kitchen
Amazon.com: KJ150 Replacement Filter, Compatible with SY910 (AF3001) / Druiap KJ150 Purifier. 3-IN-1 Upgrade Activated Carbon, H13 True HEPA and Pre-filter, 1 Pack. : Home & Kitchen
Amazon.com: KJ150 Replacement Filter, Compatible with SY910 (AF3001) / Druiap KJ150 Purifier. 3-IN-1 Upgrade Activated Carbon, H13 True HEPA and Pre-filter, 2 Pack. : Home & Kitchen