Nispira 3-In-1 True HEPA Filter Compatible with Levoit Air Purifier Core 400S, Core 400S-RF water-purification Do not use with saltwater

Do not use with saltwater sources or softened water

Minor measurement variation may occur due to manufacturing tolerances

indoor environment

Nispira true HEPA filter replacement compatible with Air Purifier Part TF50-Carbon HEPA-Fresh filter

True-HEPA filtration

Nispira 3-In-1 True HEPA Filter Compatible with Levoit Air Purifier Core 400S, Core 400S-RF water-purification Do not use with saltwaterNispira 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