Our filters are made of high-quality materials with excellent performance and can work for a long time, so that your air purifier can achieve the best performance. The HEPA filter is designed to capture up to 99.97% of dust, mold, dangerous animals and other airborne particles and allergens. The carbon pre-filter helps eliminate odors and smells, which gives your home a clean and fresh feeling. For best results, please replace it every 4 months. Suitable for AER1 HAPF30AT air purifier. are compatible with Units models BAP260, BAP815, BAP825, BAP9200, BAP9700, BAP520 and Units models CAP531-U, CAP529-U, HAP240, HAP242, HAP422, HAP422 4, HAP7 06, HAP716, HAP9240, HAP9242 HAP94 HAP9422, HAP9424. HEPA Size: 255 x 125 x 35 mm Cotton Size: 245 x 106 x 3 mm Color: Blue + White + Black Material: Plastic + Cotton Package Contents: 4 * HEPA Filter 6 * Carbon Filter Only the Package above, other products are not included. Note: Light shooting and different displays may cause the color of the