Hoselock Female Compression Connector (Hose to Hose)
1/2" BSPP Female to 8mm Orange Gas Hose Connector - LPG Shop
Plastic Hose Connector 1/2" | Toolstation
Hosepipe Tap Connector - Compatible with Hozelock and similar Hose Lock Connectors - Towsure UK
Female Thread Barb Hose Fitting-Connector 2PCS 8mm to 1/2 Inch BSP Brass Hose Barbed Joint Adapter Coupler Female Thread Pipe Adapter for Fuel Air Gas Water Oil : Amazon.co.uk: Garden