John Guest 15mm Male to 12mm Female Stem Reducer

John Guest 15mm to 12mm Stem Reducer for push-fit connection to semi-rigid water pipe. Can be used on hot or cold pipework The stem side is 15mm and the pushfit side is 12mm Please be aware, this is for Whale or John Guest semi-rigid / push-fit pipework only It is not suitable for 1/2" reinforced tube/hose (garden hose)