Permafilt Pre-Filter replacement for standard size Austin Air Purifiers.
The Pre-filter traps large dust particles from entering the inner filtering. It is designed to be vacuumed from outside and eliminate costly 3 month filter changes.
These include:
- Austin Air HealthMate Air Purifiers
- Austin Air HealthMate Plus Air Purifiers
- Austin Air Allergy Machine Air Purifiers
- The National Sleep Foundation Bedroom Machine by Austin Air.
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