Description Chemical Injector – GP General Pump Chemical Injector are a brass, stainless steel, ceramic and plastic injector designed to withstand caustic chemicals. The units all have 3/8″ MPT inlets and outlets. They come in 6 models based on GPM and fixed or adjustable valve. A repair kit is sold separately. IJ-GPF1.8 – 2-3 GPM IJ-GPF2.1 – 3-5 GPM IJ-GPF2.3 – 5-8 GPM IJ-GPA1.8 – 2-3 GPM w adjustable valve IJ-GPA2.1 – 3-5 GPM w adjustable valve IJ-GPA2.3 – 5-8 GPM w adjustable valve IJ-AARK – Repair Kit
