Image Air Chief ARO Interchange Semi-Auto Coupler Standard Hose Barb Markets Chemical Processing, Maintenance Repair Operations (MRO) Jump to Section Product Options Related Products Product Options Part Number Body Size Hose ID Material DC3842 1/4" 1/4" Steel DC3844 1/4" 3/8" Steel Related Products Image Air Chief ARO Interchange Ball Swivel Plug Image Air Chief ARO Interchange Plug Push-On Hose Barb Image Air Chief ARO Interchange Plug Standard Hose Barb Image Brass Ferrules for Air & Fluid Image Pinch-On Double Ear Clamp