Ultimate Washer 18709 3/8-Inch Stainless Steel Quick Connect Pressure Washer Adapter Set, Max Pressure 5000 PSI Rating STAINLESS STEEL 3/8 Female Pipe Thread x 3/8 Female Quick Connect Plug STAINLESS STEEL 3/8 Female Pipe Thread x 3/8 Female Quick Connect Socket CHEMICAL RESISTANT for Long Life Withstands MAXIMUM PRESSURE up to 5000 PSI UNIVERSAL Fitting for most Gas Power Washers