EasyPro 3" Bottom Drains Diffuser Option:With Air Diffuser Denitrifying bacteria that convert nitrates

Denitrifying bacteria that convert nitrates to completely harmless nitrogen gas

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Includes 2 HP Media Agitator and spring check valve

SKU UPC Code Description 510218 811262010801 EasySet Weighted Airline Tubing

giving great flow rates and minimal electricity use

EasyPro 3" Bottom Drains Diffuser Option:With Air Diffuser Denitrifying bacteria that convert nitratesMany pond builders have found that adding a bottom drain helps keep a pond cleaner. Fish waste and other muck that accumulates on a pond bottom can be easily removed by a bottom drain. These 3" bottom drains have dual rubber gaskets and 6 stainless screws for watertight penetration through liner. Optional air diffuser in lid increases circulation and cleaning capacity. For use with 3" Schedule 40 PVC fittings and pipe Optional air diffuser has 1 2"