Paper bag filter PBA1 is the original dual layer AstroVac's bag replacement. Using original AstroVac bag will ensure your ducted vacuum motor function properly. Incorrect or generic bags can lead to ducted vacuum motor damage due to broken bags, insufficient air flow or fine dust deposit in the motor propeller.
Suitable for all AstroVac compact and deluxe models:
Also compatible with the following Brands & Models:
Flat (unopened) Measurement: 20 cm wide by 64 cm long
Replace the filter bag twice a year to get a strong suction from your ducted vacuum system, reduce the chance of getting a blockage and also maintain the health of your vacuum motor.