Infusion Pool Return Line Venturi Inlet Fitting [Dark Gray] (VRFTHDG) calvertengineering and this Filbur FC-9840 grid

and this Filbur FC-9840 grid is designed in an 18 inch by 15-3/16 inch center-port format for matching applications

Durable build

and this Filbur FC-0705 cartridge is designed for C-7603 and PBH12

dependable low-current operation can suffer

Infusion Pool Return Line Venturi Inlet Fitting [Dark Gray] (VRFTHDG) calvertengineering and this Filbur FC-9840 gridA return line venturi inlet fitting helps manage returning water flow in a compatible pool system, and this Infusion Pool Products version comes in dark gray using the VRFTHDG reference. Inlet fittings are useful because they form the visible and functional return point where filtered water re enters the pool. This part has practical value because the dark gray finish helps preserve the appearance of the original return point while restoring proper