Nispira True HEPA Filter + Carbon Pre Filter for Air Purifier LV-H132, LV-H132-RF Item Package Quantity:4 Independent lab tests validate that

Independent lab tests validate that air filter replacements effectively eliminate unwanted airbrone particles from indoor air

Compared to original part 1107681-00-A and CP681

Compared to part AP450F

Monthly maintenance is recommended to extend the lifespan of the filter

Premium HEPA air replacement filter compatible with model 30057

Nispira True HEPA Filter + Carbon Pre Filter for Air Purifier LV-H132, LV-H132-RF Item Package Quantity:4 Independent lab tests validate thatQUALITY AIR FILTERS: 1 premium HEPA and carbon pre filters for Air Purifier LV H132. (NOT FOR HOLMES EGG AIR PURIFIER) HEPA FILTER: HEPA filters remove up to 99. 97 percent of airborne particles as small as 0. 3 microns. ACTIVATED CARBON FILTER: The carbon pre filter helps to reduce odors and particulates to purify the air. LIFESPAN: To keep your air purifier running effectively and efficiently, replace your air purifier filter every 6 months. SIZE: