Reverse rotary action output 35 litres per minute max 2 bsp barrel adaptor 3 piece riser tube each piece 390mm long 1200mm long overall 2 piece outlet spout threaded 34 bsp ends acts as a syphon if required weight 29kg suitable for water based solutions of acids alkalis and salts some organic solvents water and all petroleum products yellow polypropylene body phenolic vanes with viton seals and polyethylene gaskets