Nispira 3-In-1 True HEPA Filter Compatible with Levoit Air Purifier Core 400S, Core 400S-RF Item Package Quantity:3 Just remove the used filter

Just remove the used filter from the air purifier and put in the new one

Heated Humidification Notes: Some users find that using it can reduce pressure and air flow in humidified machines

13 x 47 x 15

Nispira premium HEPA and activated charcoal air filter replacement compatible with air purifier model MA#40 MA40W

Suggested to replace every 6 months for optimal performance

Nispira 3-In-1 True HEPA Filter Compatible with Levoit Air Purifier Core 400S, Core 400S-RF Item Package Quantity:3 Just remove the used filterNispira 3 in 1 premium HEPA filter replacement compatible with core 400S air purifier Compared to original part Core 400 RF HEPA filter removes up to 99. 97 percent of airborne particles as small as 0. 3 microns. Activated Carbon layer removes unfavorable odors from pets, cooking, smoke and chemical etc. Preliminary nylon layer captures large particles such as dust, hair, pet fur, debris. It also helpful to extend the life span of the filter. Filter