This John Guest Speedfit Pushfit Emergency Shut Off Isolating Valve Tap is a high-quality and durable unit that is perfect for use in a variety of industrial plumbing and fixtures. With a 15mm connection, this shut-off valve is easy to install and operate, making it an ideal choice for use in commercial or industrial settings. Designed with precision and built to last, this valve is made from premium materials to ensure reliable performance. Whether you're looking to use it for emergency shut-off or for regular use, this valve is a great choice for anyone who needs a reliable and efficient plumbing solution.