Perfect match for Real-Time Pure Air Purifier replacement filters It features 3-in-1 True HEPA filter replacement to ensure complete air purification. Advanced 3-in-1 filtration system: equipped with true H13 HEPA filter, high-efficiency activated carbon filter and pre-filter This replacement filter captures up to 99.97% of airborne particles, effectively removing odors and harmful gases for a cleaner living environment. USER-FRIENDLY INSTALLATION: Easily replace the air purifier's filter with our HEPA 14 filter, which can be installed without any tools. Be proactive in ensuring a healthy and safe environment for you and your family by tracking the life of your filters. Specification:A:[FY0194/AC0819/AC0810/20/30/50]/B:[FY0293/AC0819/AC0810/20/30/50] Colour:As Shown Material:Plastic + HEAP<br><br>Package Contents: 1 x Air Purifier Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.