Everbilt 1 in. Copper Pressure Cup x FIP Female Adapter Fitting C603HD1 - The Home Depot
2" NPT Female Pipe x 1-1/2" NST (NH) Male Adapter – FireHoseSupply.com
1/2" 3/4" Female Male Thread Brass Pipe Fitting Reducing Connector Adapter Water Pipe Plumbing Fittings - AliExpress
Amazon.com: M MINGLE Garden Hose Adapter, Female to Female, 3/4 Inch Heavy Duty Brass Connect Fittings with Dual Swivel, Pressure Washer to Garden Hose Connector, 2-Pack with Extra 4 Washers and 1
Gas Coupler - 3/8"-24 Female-to-Female
Everbilt 1/2 in. Copper Pressure Fitting x FIP Female Adapter C6032HD12 - The Home Depot