: MA-15 replacement filter exclusively designed for MA-15 MA-15-W1 MA-15-S1 air purifier, compare to part MA-15R-1 MA-15R-2, including H13 HEPA replacement filter and activated carbon -filter.( check the model you need purchase)3-STAGE FILTRATION: MA-15 replacement filter has a high-density nylon -filter that can trap particles, H13 true HEPA 99.9% particle removal for filter and high-efficiency coconut shell activated carbon filter that can remove odors. a comfortable and safe environment for your children and family.3 IN 1 FILTERS: MA-15 Filters are made of 3-in-1 filtration including -Filter, True HEPA Filter and Activated Carbon Filter.Fine -Filter remove particles such as hair, pet fur, dander and lint. True HEPA filter remove particles like household dust, and pollen, etc. Activated carbon filter helps to strongly remove unwanted odors, smoke, VOCs and more.Easy to install and clean: Easy to install, no tools required. True HEPA filter is essential for households with Children, Seniors, Pets, Allergy, smokers and Asthma sufferers.Replacement : The use of a new filter can the efficiency of your air purifier, thereby ensuring and safe air in the room. It is recommended to replace the filter 6 months.Material:composite materialcolour:As ShownPackage Contents:4 x FiltersOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.