LTWFITTING 5/8 in. O.D. Comp x 3/4 in. FIP Brass Compression Adapter Fitting (5-Pack) HF66101205 - The Home Depot
Compression Lead Flange Adaptor - Red Hed
Brass Pipe Fittings, Water Hose Adapter, G 1/2 Female to G 3/8 Male Reducer Adapter, Compression Fitting for Kitchen Bathroom Faucet, Pipe Connector with Rubber Washer,(2 Pack) - Amazon.com