Fully rotary, self-priming pump.Made from aluminium, steel, ABS, ZYTEL (glass filled nylon) and polypropylene.For the transfer of lubrication oils, automatic transmission fluids and mild acids.2'' BSP drum closure thread.Telescopic dip tube (915 - 1220mm) incorporates a non-return valve to ensure constant flow.Output - 250mls/revolution (25 litres per minute) .