PERMAFILT Pre-Filter replacement for our standard size Austin Air Purifiers. These include Austin Air HealthMate Air Purifiers, Austin Air HealthMate Plus Air Purifiers, Austin Air Allergy Machine Air Purifiers and The National Sleep Foundation Bedroom Machine by Austin Air, The Baby’s Breath Air Purifiers and The PET Machine.
HM 400 Standard Size Pre-Filter in the color white or black (For HM400, HM402, HM405, HM410 & HM450 Units)
- Pre-filter traps large dust particles from entering the inner filtering.
- Designed to be vacuumed from outside and eliminate costly 3 month filter changes.
- We recommend vacuuming the Pre-Filter once a month.
- White Pre-Filters are for the following coloured units: Sandstone, White, Baby’s Breath Pink and Baby’s Breath Blue.
- Black Pre-Filters are for the following coloured units: Midnight Blue, Black and silver.