Perfect match for Real-Time Pure Air Purifier replacement filters. Features a 3-in-1 True HEPA filter replacement for complete air purification. Advanced 3-in-1 filtration system includes a true H13 HEPA filter, high-efficiency activated carbon filter, and pre-filter. This replacement filter captures up to 99.97% of airborne particles and effectively removes odors and harmful gases for a cleaner living environment. User-friendly installation: easily replace the air purifier's filter with no tools required. Help maintain a healthy and safe environment for you and your family by regularly replacing the filter. Specifications: Model: FY0194/AC0819/AC0810/20/30/50; Color: As shown; Material: Plastic + HEPA. Package includes: 1 x Air Purifier Filter. Note: Other products are not included. Light reflection and display differences may cause slight color variations. Measurement error allowance: +/- 1-3 cm.