Austin Air Pet Machine Air Purifier black prefilter replacement for your air cleaner. This pre-filter helps prevent larger dust, dirt and pet dander from entering your air purifier. This white pre filter matches the whit and sandstone versions of air purifier filters. Each replacement filter comes with a 5 year guarantee through Austin Air.
Fits Austin Air Models: Pet Machine Air Purifiers
Replacement Part Numbers: F400B, F-400B