The General Pump Foamer With Built-In Injector And 1 Liter Tank - 3200 PSI, 6.5 GPM (YLS12) s a robust foamer for demanding commercial applications like car washes and pressure washing. This brass foamer boasts an impact resistant housing, a 1/4" inlet, and adjustable injector, and a solution tank. This foaming device is rated for up to 3200 psi maximum pressure, 140° Fahrenheit maximum temperature, and a 6.5 gpm flow rate. Use to apply a thick, rich foam that clings to the surface being cleaned so soaps and detergents have plenty of dwelling time.