PondXpert MultiChamber 18000 Pond Filter and GreenStop Pro 36w UVC

A large professional pond filter set up ideal for both koi and goldfish ponds. Both bays contain filter foams first blue coarse foam then finer yelow foams to catch all but the tiniest debris particles.Suitable for goldfish ponds up to 18000 Litres 4000 gallons.Suitable for koi ponds up to 9000 Litres 2000 gallons.Powerful UVC should be installed in front of filter and will prevent green water.This product has been improved a new UVC is included which fits snugly onto the back of the filter box.