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 $6.45 $8.05 Add to Cart Adams Injector $46.46 Choose Options GP High Draw Injector Kit $29.03 Choose Options Scott Jackson Order $758.96 Add to Cart