Knight Equipment Check valve, high pressure, plastic/ s.s. 1/4" tube x 1/8" MNPT

Knight Equipment Check Valve Assembly, 1

7901234 KNIGHT Check Valve, 1/4" Barb x 1/4" MNPT Fitting, Viton Seal

7901237 KNIGHT Check Valve, 1/2" Barb x 1/4" MNPT Fitting, Viton Seal

Chem-Tech / Mec-O-Matic Injection Back Check Valve Assembly This injection back check valve is used on the Mec-O-Matic and Chem-Tech XP series pumps. It fits 3/8" OD tubing and has a 1/4" male...