Austin Air Immunity Machine Replacement Filter is Austin Air original True HEPA and Multi-Phase Carbon Filter canister for Austin Air Immunity Machine HM444 air purifier.
The Austin Air Immunity Machine True HEPA, Multi-phase carbon filter canister and HEGA filter are merged together in a single filter assembly.
Austin Air Immunity Machine filter contains 60 sq. ft. of True HEPA filter for trapping sub-micron allergens and dust at a rate over 99.97% @0.3 micron in size.
The carbon filter canister contains 15 lbs. of 5-Phase Chemical filter consisting of:

• Activated granulated carbon
• Specialty Superblend impregnated carbon
• Natural Zeolite
• Zeolite impregnated with Potassium Iodidte
• Military grade HEGA filte.

Important Notice! Austin Air Immunity Machine replacement filter comes with a single PermaFilt pre-filter of a matching color:

• Black - for darker Graphite (Gray) appearance of the unit
• White - for lighter Graphite (Gray) appearance of the unit

Austin Air Immunity Machine Filter's lifetime: 2 to 5 years (under normal use in residential conditions).
Austin Air Immunity Machine filter assembly is covered by the 5-Year Pro-rated manufacturer's warranty (applicable to units used in normal residential environment).