Pontec Pondorell 3000 is a combined pump, filter and Ultraviolet system. Featuring an integral 7 watt UV unit, the filter is rated for 3000 litres of pond water with out fish or 1500 litres with fish (not suitable for use with koi. The 600 l/h pump has a maximum head os 1.3m (where it ceases to pump. Supplied with threaded elbow and stepped hosetail outlet which takes 1/2" (12/13mm), 3/4" (19mm)or 1" (25mm) bore flexible hose. It carries a 2 year manufacturers guarantee.