Austin Air HealthMate HM400 features...
AirPura R600W HEPA Filter is AirPura Original True HEPA Filter replacement for AirPura R600W (R600-W) whole house air purifier.
AirPura R600W Carbon Filter is AirPura Original Carbon Filter Replacement for AirPura R600W (R600-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.