The McAlpine R13 ABS Adaptor is a plumbing component that is used to convert 19mm connections on R12 and R15 fittings up to 25mm OD pipes. Here are some of its features: Size: The adaptor converts 19mm connections to 25mm OD pipes. Material: The adaptor is made of high-quality ABS material that is durable and resistant to corrosion. Converts connections: The adaptor is designed to convert 19mm connections on R12 and R15 fittings to 25mm OD pipes, which allows for greater flexibility in plumbing installations. Easy to install: The adaptor is easy to install and can be used in both residential and commercial plumbing systems. Complies with building regulations: The McAlpine R13 ABS Adaptor complies with UK building regulations and is suitable for use in new builds, renovations, and repairs. Overall, the McAlpine R13 ABS Adaptor is a useful plumbing component that allows for the conversion of 19mm connections on R12 and R15 fittings to 25mm OD pipes. It is made of high-quality ABS material and is easy to install, making it a popular choice for plumbers and DIY enthusiasts alike. ・ Converts R12 and R15 fittings to fit 25mm OD pipe