5/8" to 1/2" Inch Hose Barb Splice Coupler Reducer Repair Connector Fitting Adapter | AN627-10-08A - ICT Billet
Amazon.com: ICT Billet 1-1/2" to 1-3/4" Inch Hose Barb Splice Coupler Repair Reducer Fitting Adapter Connector Radiator Coolant Intercooler Heat Exchanger Fluid Manufactured in the USA Aluminum AN627-28-24A : Automotive
SharkBite 18-in 1/2-in Push-to-connect Inlet x 3/4-in Fip Outlet Braided Stainless Steel Water Heater Connector in the Appliance Supply Lines & Drain Hoses department at Lowes.com