Home / High Pressure Nozzles / Drain Jet Extension Bar 1/2″Drain Jet Extension Bar 1/2″ Request a Quote Home / High Pressure Nozzles / Drain Jet Extension Bar 1/2″Drain Jet Extension Bar 1/2″ Request a Quote Product Code Galvanised- WARD27000000001. Product Code Stainless Steel - WARD27000000000. 300mm (12") long and suitable for most Vanpack and Trailer Jetters using hoses with ½" bsp fittings. Prevents jetting nozzle turning around in the pipe and helps to keep the jets working in the bottom of the pipe.