Value Collection - Garden Hose Adapter: Male Hose to Barb, 3/4 x 3/4″, Brass - 53578399 - MSC Industrial Supply
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
Garden Hose Fill Adapter
Everbilt 5/8 in. Barb x 3/4 in. MHT Brass Adapter Fitting 800039 - The Home Depot
Garden Hose Air Compressor Adapter - Snow State
Amazon.com : Sanpaint 2 Pack 3/4" Garden Hose Connector with Dual Swivel for Male Hose to Male Hose, Double Female : Patio, Lawn & Garden
Garden Hose Adapter, BRASS, MGHT x 1/2"MNPT
Proline Series 3/4-in x 3/4-in Threaded Female Hose x Female Hose Adapter Fitting in the Brass Fittings department at Lowes.com