Description Husky® DEF STB:Diesel Exhaust Fluid: 7219: 1″ M x 1″ M Stainless Steel Non-Reconnectable Safe-T-Break® Non-reconnectable Safe-T-Break Low profile design. Thread sealant not required with BSPP threads. 100% DEF compatible parts Instant-closing, dual poppet check valve design. Maximum seperation off 300 lbf/ 1334.5 N. Comes standard with guard. Husky Diesel Exhaust Fluid (DEF) Safe-T-Break® valves stop the flow of fluid on both sides of the separation.
