Pondmaster® Pond-Mag® and Aqua-Mag® Fractionating Impeller Assemblies Model:16745 you can run the bottom

you can run the bottom drain output into the settlement tank

whether dropped directly into the pond or into a skimmer or filter

Cartridge & Renew Kit - Replacement diaphragm and assembly for air pump

UltraClear® Blue Concentrate is formulated to instantly dye pond water blue

This well-designed cover comes with optional air vent

Pondmaster® Pond-Mag® and Aqua-Mag® Fractionating Impeller Assemblies Model:16745 you can run the bottomConvert your magnetic drive pond pump to an aerating, recirculating pump with a fractionating impeller! These impellers are specifically designed for use in hydroponic systems and with Pondmaster Pond Mag or Supreme Aqua Mag pumps. Fractionating impeller uses a front mounted adjustable venturi inlet with aerating tube with noise suppressing muffler to aerate the water. Important: Venturi assembly required for fractionating impeller to work. SKU UPC