Genuine Hunter 30920 replacement air purifier filter features a 3-stage HEPAtech filter removes up to 99.97% of airborne particles as small as 0.3 microns in size including smoke， dust， pollen， pet hair and dander， mold spores and dust mites Stage 1: Mesh particle screen pre-filter captures larger particles such as dust， lint， and hair. Stage 2: Submicron primary filter is made out of a micro-filter material which removes particles as small as 0.3 microns in size Stage 3: Activated charcoal filter removes household odors from cooking， cleaning， smoking， and pets. Fits Hunter air purifier models: 30050， 30054， 30055， 30065， 30070， 30071， 30075， 30080， 30177， 30832， 30882， 30883， 37055， 37065.

Genuine Hunter 30930 replacement air purifier filter

For Hunter air purifier models: 30200， 30250， 30253， 30255， 30350， 30374， 30375， 30377， 30380， 30695， 37255， 37375

Recommended to replace every 12 months for maximum efficiency， or more often depending on air quality and environmental factors

Package contains 1 replacement filter， approximate dimensions: 16 in. x 14-1/2 in. x 1 in.