John Guest Tap Adapter Water Coolers 15mm 1/2" BSP x 3/8" Push Fit Connector New
(15mm) 1/2" BSP X 3/8" Push Fit Connector - John Guest Tap Adapter Water Coolers. This adapter connects onto a 1/2" / 15mm BSP screw thread to provide a 3/8" Push fitting. 15mm 1/2" BSP x 3/8" (10mm) Push fit tap adapter - John Guest.