Polyplumb MDPE to copper Adaptor - 20mm x 15mm - 21292
15mm x 1/2" BSP Flexible Pushfit Tap Connector 300mm Long - Plumbing – Thunderfix Hardware
2 Pack Brass Garden Hose Tap Connector,1/2 inch Brass Male Threaded Tap Connector for Hose Pipe,Copper 1/2" BSP Hose Connector Male Watering Fittings for Threaded Faucet Adapter Quick Connector : Amazon.co.uk: Garden
15mm Copper Compression X 8mm Gas Hose Nozzle : Amazon.co.uk: DIY & Tools
Flexible Tap Connector 15mm x 3/4" x 500mm Long (WRAS Approved)
Flexible Tap Hose 15mm x 1/2" Connector Pipe Tail 300mm Length