$53.99 Kiowa Ltd. - 1/2 BSP x 7/16 UNF Male Male Hydraulic Adaptor c/w O-Ring - | Kiowa Ltd 
Fits Hozelock Male Tap connector 1/2 BSP Brass Tap Fitting X Male Click 5055752973862 | eBay
Hozelock 3/4 BSP&1/2BSP Threaded Tap Connector for outdoor threaded taps | eBay
