I have been looking all day for an adapter for my air compressor to use as a pressure washer. I will try "thundergun" and Turbo wash" and see if that comes up with anything. I am looking to do a deck/siding and brick with mold,IF all I can get is 500 psi, that doesn't sound like enough for what I need. I may just have to go out and get a power washer. Anyone out there have any other suggestions, I have been lookin all day online.