(2/pack)GMX600F Valve for O-Ring Fits Hayward S144T Pro Series Sand Filter Home/Garden & Outdoor Store
fits:Sand Master, Swim Pro, Pro Series, Pro Top Mount
7-1/8" OUTSIDE DIAMETER, 6-3/4"inside diameter, 3/16" thickness
Buna-N O-RING
Fits hayward pro series sand filter model s144t