3A Aspeed Mains Aspirator is a robust piston-type electric aspirator with a double pump and protective thermal cutout relay. The Aspeed Mains Aspirator has an Air flow 22 Litres Per Minute and a Ad. vacuum level 0 to 0.85 bar. 3A Aspeed Mains Aspirator Filter is a replacement component for the 3A Aspeed Mains Aspirator.