The Superfish Combi Clear4000 Pond Filter is the all-in-one energy efficient underwater filter solution for small ponds. Featuring an underwater filter with pump, UVC, filter media and fountain nozzle. The Filter chamber has activated carbon, CrystalMax bio filtration media and sponge for optimum filtration and easy maintenance. Also featured inside the Combi Clear 4000 is an 7 Watt UVC bulb that will destroy most types of harmful algae and other bacteria in your water. The fountain features adjustable height and tilt action with a variety of nozzles available. The combi 4000 also features adjustable water flow and head with additional connections for a waterfall. The Combi Clear 4000 filter is easy and quick to install, and placing the filter in your pond is made easy thanks to the large handle and stable base. No hose, cables or complicated connectors are required for installation. Simply place the Combi Clear on the bottom of the pond, connect to a suitable power source and watch the filter come to life. Specifications If you are looking to purchase a replacement UV bulb for the Superfish Combi Clear 4000, please see the column in the specification table regarding maximum replacement bulb length as this filter set takes only specific sized bulbs and anything longer than stated will not fit inside the system. Product: Superfish Combi Clear 4000 All-in-One Pond Filter Maximum Pond Size: 4,000 Litres (this is based on no or very little livestock) Pump Capacity: 1,950 Litres Per Hour Head Max.: 1.9 Meters UVC: 7 Watt Power Cable Length: 10 Meters Outlet Hose Size: 9/12mm Dimensions L/W/H: 23 x 12 x 31cm Maximum Replacement Bulb Length: 10.5cm 2 years warranty supplied by manufacturer