Draper - 500L/Min Petrol Water Pump (4.8HP) Features: Expert Quality, Ideal for building sites and agricultural applications where mains power is not available, Self priming, Powered by a 4.8HP four stroke petrol engine, Heavy duty tubular steel frame with coated finish, Easy pull start, Hose outlet size: 50mm, Supplied with two metal hose couplings, suction filter and box spanner.