Carpet Cleaning 1/4" Fip Brass Male Nipple Stop Plug TO Pressure Washing QD 3/8" Fip X 3/8" Male Plug Nipple Stainless Steel Used to push water out of carpet cleaning machines into a pressure washing style heater that has a 3/8" F QD on the inbound hose. Part includes one each of the parts below. Pressure Washing QD 3/8" Fip X 3/8" Male Plug Nipple Stainless Steel 8.707-144.0 Coupler 1/4" Mip X 3/8" Mip Hex Reducing Nipple Brass 8.705-227.0 - BR132 Foster QD 1/4in Male Quick Disconnect B101 NA0801 PX5 Optional: Above part is used to flow water out of the carpet cleaning machine and into this heater. NorthStar: 350,000 btu water heater for pressure washing, Tile Cleaning, and carpet cleaning 157495