12PCS 3/8'' 1/2'' 5/8'' 3/4'' 7/8'' 1'' Tube Fittings Hose Pipe Connector Universal Flat Adapter for Car Auto Air Conditioning|adapter ram|connector hoseconnector jack - AliExpress
KF25 Hose Adapter, Stainless Steel, for 3/4 - 7/8" Inside Diameter Hose" - Capitol Vacuum Parts
Black Silicone Hose, 3/4 x 7/8 inch ID Straight Reducer - Pegasus Auto Racing Supplies
12PCS 3/8'' 1/2'' 5/8'' 3/4'' 7/8'' 1'' Tube Fittings Hose Pipe Connector Universal Flat Adapter for Car Auto Air Conditioning|adapter ram|connector hoseconnector jack - AliExpress