From Suttner! Dual Wand Extensions with Turbo Nozzles. Use with your existing trigger wands to double your cleaning coverage and shorten cleaning time. Extensions are constructed of 304SS stainless steel. Inlet is 1/4" MPT. Two #3 turbo nozzles are also included. Model 357 is rated to 3000 psi and 190° F. Model 457 is rated to 5000 psi and 212° F.