Dixon Air King AM7 Iron Air Hose Fitting, 2 Lug Universal Coupling, 3/4" NPT Mal | eBay
Dixon Air King RAM11 Stainless Steel 316 Air Hose Fitting, 2 Lug Universal Coupling, 1" Hose End Barbed: Air Tool Fittings: Amazon.com: Tools & Home Improvement
Dixon Air Chief Stainless Industrial Coupler 1/2 in. Hose Barb x 1/2 in. Body - John M. Ellsworth Co. Inc.