Austin Air Pre Filter for Standard Size Air Purifiers - 3PK.
Fits all standard size Austin Air air purifiers. Wraps around the inside of the main metal body and designed to capture large dust particles before they reach the filter cartridge. For increased lifespan of the filter cartridge it is recommended to regularity vacuum the outside of the air purifier. For best performance this filter needs to be changed every time the filter cartridge is replaced. Genuine Part - PERMAFILT.
Fits Austin Air HM400 HealthMate series Air Purifier Systems
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Fits Austin Air HM410 Pet Machine series Air Purifier Systems
Fits Austin Air HM450 HealthMate Plus series Air Purifier Systems
White Pre Filters:
Use with Sandstone and White coloured units
Black Pre Filters:
Use with Midnight Blue, Black, and Silver coloured units