STAINLESS STEEL 1 1/4"(1.25) x 1" CHECK VALVE for WATER WELL PUMP Pressure TANK FLOMATIC 4221LSS2 1 1/4" (1.25") x 1" Danfoss Flomatic Stainless Steel Check Valve MODEL # 4221LSS2 1" FNPT x 1.25" MNPT LEAD FREE BRAND NEW