LJGYX valve Reverse Osmosis Quick Coupling 1/4 3/8 Hose Connection Tee Y Connector 2 Way Equal Elbow Straight Water Plastic Pipe Fitting Durable and long life. (Color : I Shape 6.35-6.35mm) : Amazon.co.uk: Garden
12mm-3/8 Inch Plain Socket to Male BSP PVC Threaded Adaptor