2.5" NST (NH) Male Hose x 3" NST (NH) Male Hose Adapter – FireHoseSupply.com
GSI Outdoors 5' Propane Adapter Hose
Compatibility - LT 5.24 Hose adapter
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
Coleman 5' High-Pressure Propane Gas Hose and Adapter Replacement - Walmart.com