Completely redesigned, Uncompromisingly reliable it pumps pond water and coarse debris particles, up to 8 mm in size. Extremely economical: Thanks to the energy-efficient EC motor, the AquaMax Eco Classic saves power – and money – in operation. Environmental Function Control (EFC by OASE) protects against dry run and blocking. Supplied with each pump is a stepped hose adaptor for hoses of 1″, 1¼” and 1½” diameter. The classic 5500 has a maximum flow rate of 5500 litres per hour (1166 gallons per hour). Power consumption:- 60watts. The pump comes with 10mtrs of cable and has a standard 3 year guarantee + the option of an extra 2 years subject to registering your purchase with OASE.