Meross H13 HEPA 3-Stage Filtration Replacement Filter Compatible with MAP100 Air Purifier Weight 1 pound Dimensions 14.73 x 18.54 x 14.73 cm or 7.91 x 6.26 x 6.14 inches Material Pre-filter H13 HEPA filter Activated carbon filter Plastic Filters lifetime: 3-6 months, depends on the environment and usage frequency Features: 3-Stage H13 True HEPA Filter: With the activated carbon filter, meross air purifier captures catches 99.97% of particles at 0.3 microns, removing pet dander, hair, pollen, odors, smoke, VOCs and other hazardous substances in air. Filters Lifetime: The replacement filter should be replaced every 3-6 months depending on the environment and usage frequency. Meross app will send you notifications when the filter life cycle comes to under 20%,10% and exhausted. Easy Replacement Filter: The filter is easy to be replaced and disposed without any tool required. Do NOT use without first removing the plastic packaging from the filter. Otherwise, the air purifier will not work properly. _x000D_