Austin Air, Pre-Filter
Pre-filter traps large dust particles from entering the main filter cartridge.
Designed to be vacuumed from outside and increase the lifespan of your main filter cartridge.
White Pre-Filters are for the following coloured units: Sandstone, White.
Black Pre-Filters are for the following coloured units: Midnight Blue, Black and Silver.
Al replacement filters have up to a 5 year life expectancy.