2.5" NST (NH) Female Swivel x 2" NPT Male Pipe Adapter – FireHoseSupply.com
Compression tubing x female threads swivel adapter
Swivel Adaptor - PCI Instruments
Amazon.com: Faucet Adapter Kit Swivel Aerator Adapter to Connect Garden Hose - Multi-Thread Garden Hose Adapter for Male to Male and Female to Male - Chrome Finished : Patio, Lawn & Garden