Overview Reviews Product Description 2424 - J21 Fixed Acid Injector 2.1 MM 4.0 - 5.0 G.P.M. 3200 PSI 0-15% Injection rate 200°F Temp. 3/8'' MPT inlet & outlet Product Videos Custom Field Product Reviews Write a Review Write a Review × J.E.Adams 2424 - Fixed Acid Injector, J21 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *