Upgrade your air purifier with the 4 in 1 True HEPA Replacement Filter - Linniw - 2 pack MK06, MK01, MJ001H. This high-quality filter is designed to keep your indoor air clean and fresh for a longer period of time. With its True HEPA filtration technology, it captures 99.97% of airborne particles, including allergens, dust, and pollutants. Thanks for shopping our store!