Double Male 3/4" NH x 1/2" NPT - North Ridge Fire Equipment
Amazon.com : AB Tools-Green Blade 3/4" BSP Thread to Tap Adapter Garden Hose /Pipe Plastic GAR30 : Patio, Lawn & Garden
Garden Hose Tap Connector Fittings 3/4 inch BSP Male to Hozelock Style | eBay
12mm Hose Barb x 3/4" BSP Male Thread Brass Barbed Pipe Fitting Nipple Coupler Connector Adapter For Fuel Gas Water - Amazon.com
2pcs 12mm To 3/4" BSP Thread Sprinkler Adaptor Water Garden Hose Connector | eBay
5/8 x 3/4 x 1/2 Inch Outside Tap Adaptor Old to New Garden Hose Connector Thread | eBay
Amazon.com: 1/2” G Thread (BSP) Female to 3/4” GHT Male Connector, Brass BSP to Garden Hose Adapter, Industrial Metal Brass G Thread to Garden Hose Connect (3 Pack) : Patio, Lawn & Garden