Perfect value set for a large 20,000 litre 4400gallon fish pond.Correctly matched filter box and filter pump combination that work well together and save you ££££'s.Includes The Green 2 Clean 30000 flow through filter box with built in 25w UVC and the solids handling PondPush 10000 Filter Pump from PondXpert.Save £49.99 compared to separate purchase