Material: PP. For extraction of liquids and vapours as well as generating vacuum. With built-in non-return valve. Can be disassembled, making cleaning easy. Connection for the tap: Union nut R 3 / 4 ″ or Reducer R 1 / 2 ″ or Hose connection (connector) with outer Ø 10-12 mm Optional accessory (please order separately): adapter from R 3 / 4 ″ to M22 x 1 (perlator thread), with seal Vacuum connection: Connector with outer Ø 6-9 mm Technical specifications: Water consumption: approx. 220 l/h at a flow pressure of 3.5 bar Delivery rate: approx. 450 l of air/h at a flow pressure of 3.5 bar Abs. end vacuum at a water pressure of 3.5 bar: approx. 16 mbar at +12 °C approx. 24 mbar at +20 °C Length of the water jet pump with R 3 / 4 ″ connection: approx. 210 mm Water jet pump