Fertilizer injector that we manufacture is fabricated using high grade material. Keeping in mind the current market standards, we have fixed reasonable prices for the fertilizer injector offered by us. used for :proportional fertilization. I.e., for injection of fertilizer in constant proportion to irrigation waterchemical treatment like acid treatment & chlorinationavailable sizes :3/4", 1", 11/2", 2"specificationss no. Injector size motive flow ( l/min head (m pump h.p 1 3/4" 1 1/2" 20 0.5 2 1" 65.5 20 0.5 3 1 1/2" 138.8 20 1click here for performance chart