Contains Two (2) Premium 3-in-1 True HEPA Filtration System, including Fine Preliminary Filter, H13 Grade True HEPA Filter, and Activated Carbon Filter Fine Preliminary Filter traps larger particles in the air like dust, hairs, pet fur, lint and more High-efficiency Activated Carbon Filter absorbs household odors from pets, cooking, smoking, wildfire, and harmful VOCs Premium H13 Grade True HEPA Filter captures 99.97% of airborne particles down to 0.3 microns in size Easy to replace and disposable, no tools required. Replace filters every 6 months for optimal performance. premium H13 Grade True HEPA Replacement is fully compatible with LV-H132 Air Purifier. This True HEPA Filtration system contains the following filters: Fine Preliminary Filter: Traps larger particles in the air like dust, hairs, pet fur, lint and more Premium H13 Grade True HEPA Filter: Captures 99.97% of airborne particles down to 0.3 microns in size -Activated Carbon Filter: Absorbs household odors from pets, cooking, smoking and harmful VOCs Fully Compatible with the following air purifier models: - LV-H132 - LV-H132XR - LV-H132X-WM Using high efficiency air cleaner filters and replacing the filters regularly will help optimize air cleaning performance. Replace your filter every 6 months for optimal performance.