3" Bottom Drain with Built In Diffuser UV Clarifiers Ultima Filters are the standard

Ultima Filters are the standard of the industry because of their high flow rates

Connects to 3" PVC pipe and fittings

Water Gardens and Aquariums

This terrific system lets you have both the benefits of a skimmer and bottom drain

Transformers are epoxy filled and weatherproof for long life and have field replaceable fuse in case of overloading

3" Bottom Drain with Built In Diffuser UV Clarifiers Ultima Filters are the standardA bottom drain and an air diffuser built into one unit! The circulation created by the air diffuser will increase the amount of debris removed by the bottom drain and will increase oxygen levels in the pond. Bottom drain base has six stainless screws and two rubber gaskets for a positive seal when penetrating liner! Connects to 3" PVC pipe and fittings. Air diffuser is set up for 1 2" or 5 8" tubing, recommended air flow of 1 2 to 2 CFM.