12x12 Pond Filter Box

Pondmaster PM1000, 12" x 12", Filter Box, With Locking Handle, Carbon & Polyester Media For Mechanical/Biological/Chemical Filtration, Connects To Intake Side Of Pump, Complete With 3/4" ID Tubing & Fittings, Connect More Than 1 To A Pump, For In Pond Use Only, Suitable For Small To Medium Ponds.