Click to expand Tap to zoom 4gpm Chemical Injector Part Number: AJI21 Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $42.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 4050 psi Max. Pressure 8.0 gpm Max. Flow 195° F Max. Temperature 3/8” NPT-M Inlet/Outlet 1/4" Hose Barb