These Downstream Injector High Draw from General Pump are fixed injectors. They are the most popular injectors for house and building washing. You can also use them for post-treating concrete. These are the injectors I use every day. 1.8 mm 2-3GPM 2.1mm 3-5GPM 2.3mm 5-8GPM
Downstream injectors will eventually fail so be sure to order a ...