John Guest PM1212E Bulkhead Union (Pack of 5)John Guest bulkhead connector push fit fitting for the connections of metric microduct pipe in through wall applications. The blown fibre threaded connectors help eliminate fibre cable snagging. Featuring a collet with stainless steel teeth, the push fit fitting provides a secure connection with a simple and instant push fit action. It eliminates the need for any tools, making the installation process efficiently straight forward. The O Ring forms an