Hose Barb Pressure Wash Coupler SKU Body Size Hose ID Material HFBST-2HB 1/4 1/4 Brass HFBST-3HB 3/8 3/8 Brass HFBST-4HB 1/2 1/2 Brass HFBST-6HB 3/4 3/4 Brass HFBST-8HB 1 1 Brass