Image Air Chief Automotive Coupler Standard Hose Barb Jump to Section Product Options Related Products Product Options Part Number Body Size Hose ID Material DC644 3/8" 3/8" Steel DC645 3/8" 1/2" Steel Related Products Image Air Chief Automotive Ball Swivel Plug Image Air Chief Automotive Coupler Push-On Hose Barb Image Air Chief Automotive Plug Push-On Hose Barb Image Air Chief Automotive Plug Standard Hose Barb Image Brass Ferrules for Air & Fluid Image Coil-Chief Self-Storing Hose with Fittings Image Pinch-On Double Ear Clamp