Dixon Brass Air Chief Industrial Auto Coupler 3/4 in. Hose Barb x 3/4 in. Body - John M. Ellsworth Co. Inc.
Dixon Air King AM23 Iron Air Hose Fitting, 4 Lug Quick Acting Coupling, 1-1/2" NPT Female End: Universal Hose Fittings: Amazon.com: Industrial & Scientific
Dixon Reusable Fitting 1/4 in. ID x 1/2 in. OD Hose x 1/4 in. Female NPSM Swivel - John M. Ellsworth Co. Inc.
Dixon Air King AM1 Iron Air Hose Fitting, 2 Lug Universal Coupling, 1/2" Hose End Barbed: Amazon.com: Tools & Home Improvement
Dixon Air King AM2SWIV Iron Air Hose Fitting, Universal Swivel, 1/2" NPT Male: Universal Coupling Swivel: Amazon.com: Industrial & Scientific
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 PFL12SS Stainless Steel 303 Dual Lock Quick Acting Air Hose Fitting with Locking Sleeve, Socket, 1/2" Coupling x 3/4" NPT Female: Universal Hose Fittings: Amazon.com: Tools & Home Improvement
Dixon Air King AM7 Iron Air Hose Fitting, 2 Lug Universal Coupling, 3/4" NPT Mal | eBay