PRODUCT FEATURES The Hi-Draw is capable of a 20%* draw rate. These injectors feature 3/8 inch mpt threads, stainless steel orifice and a Viton O-Ring! 190F. maximum temperature 3/8" MPT inlet and discharge 1/4" hose barb chemical port *Can be affected by factors such as pressure, flow rate, length of discharge hose and chemical viscosity. Reviews FEATURED PRODUCTS GP Injector Rebuild Kit $6.62 Add to Cart Chemical Sample/Starter Pack $86.72 Add to Cart Injector Bypass Kit $89.51 Add to Cart Adams Injector $39.92 Choose Options