Austin Air HealthMate HM400 replacement filter contains replacement HEPA filter and Carbon filter assembly with the pre-filter for Austin Air HealthMate HM400 air purifier.
Austin Air HealthMate True HEPA filter and carbon filter canister are merged together in one-piece filter assembly.
True HEPA filter contains 60 sq. ft. of 99.97% @ 0.3 micron efficiency True HEPA media.
Carbon canister filter contains 15 lbs. of coconut shell carbon and zeolite adsorbent.
Important Notice! Austin Air HealthMate HM400 replacement filter comes with a single PermaFilt pre-filter of a matching color:

• White - for units in White and Sandstone colors
• Black - for units in Black and Midnight Blue colors

Select the color of prefilter matching the color of your unit from the Product Color drop-down menu.
Austin Air HealthMate replacement filter's lifetime: 2 to 5 years (under normal residential conditions).
Austin Air HealthMate filter assembly is covered by the 5-Year Pro-rated manufacturer's warranty.