Beckett Replacement Pre-FilterBecketts Replacement Add on Pre Filter is for G210, G325, and G535 pumps. This pre filter will protect the pump from pond debris and helps maintain clean and clear water. Fits Beckett G210, G325, and G535 pumps Protects the pump from pond debris Helps maintain clean and clear water Package contains 2 foam filters and 1 plastic insert Dimensions: 6" Length, 1. 25" Inner Diameter, 2. 75" Outer Diameter.