Pressure Wash Gun Assembly Inlet Fitting:3/8-inch MPT Plug so you can choose the

so you can choose the size that is right for your pressure washer

Thermal Bypass Protection

and you use a standard chemical injector (like this one here)

Includes mounting hardware

Do not use 1/2" hose

Pressure Wash Gun Assembly Inlet Fitting:3/8-inch MPT Plug so you can choose theThis Pressure Washer Gun Assembly comes complete with the Suttner ST 2305 Safety Orange Easy Pull Trigger Gun, a 1 4 inch Mosmatic Gun Swivel, a 12 inch Suttner Star Shaped Grip Wand, a 1 4 inch FPT quick coupler, and a 3 8 inch MPT quick coupler. This is the gun set up I use for soft washing via downstreaming for house and building washing. I love this gun because it is very easy to use and the trigger is very easy to hold open. Suttner ST 2305