About This High-quality made in TAIWAN, not China. Fully compatible with Core 300 Air Purifier, Compares to Part # Core 300-RF Contains Two (2) 3-in-1 Premium True HEPA filtration system, including Fine Pre-Filter, True HEPA Filter, and High Efficiency Activated Carbon Filter Fine Pre-filter Traps larger particles in the air like dust, hairs, pet fur, lint, and prolongs the life of HEPA filter High-Efficiency Activated Carbon Filter absorbs household odors from pets, cooking, smoke, wildfire, and harmful VOC’s True HEPA Filter captures 99.97% of harmful airborne particles down to 0.3 microns in size. Creating fresh and purified air for you and your family Replace your HEPA Filter every 6 months for optimal performance Overview Brand : Flintar Material : H13 True HEPA Filter Product Dimensions : 7.6"L x 7.6"W x 5.83"Th MERV Rating : 16 Compatible Devices : Air Purifier Item Weight : 2.6 Pounds Air Filter Construction : Pleated Number of Items : 2 Manufacturer : Flintar LLC Product Grade : new