A pump, filter and UVC housed in a single unit that sits in your pond: just plug it in and go! Perfect for patio ponds or situations where installing messy hose and cables can be a problem. It can produce three fantastic fountain displays or run a waterfall while also keeping the water clear and healthy, it is also ideal for lightly stocked goldfish ponds of up to 2,000 litres. NOT SUITABLE FOR KOI PONDS. NOTE: UVC bulb included. In the Hozelock EasyClear range the 3000 & 4500 do not include a T-piece attachment whereas the 6000, 7500 & 9000 do.