Blue-White Injection Fitting With Connection Nut Blue-White Rs2,274.50 - Rs2,703.19 Blue-White Injection fitting prevents backflow from a treated Line* 1/4" and 1/2" Male NPT for pipe installation. Available tubing connection sizes: 1/4" tube 3/8" tube Includes Connection Nut The Injection Fittings are provided as... Choose Options