AirPura R600W HEPA Filter is AirPura...
AirPura P600W HEPA Filter is AirPura original HEPA Filter replacement for AirPura P600W (P600-W) whole house air purifier.
AirPura P600W Carbon Filter is AirPura original Carbon filter replacement for AirPura P600W (P600-W) whole house air purifier.
AirPura Whole house Pre-Filter 4-pack is AirPura Standard Polyester based pre-filter replacement for AirPura whole house air purifiers.
AirPura Felt Gaskets is a set of two original AirPura gaskets used to seal the filter compartment in AirPura air purifiers.