General description The John Guest Speedfit Brass Coupler is designed for connecting metric pipes using a male thread. This coupler allows for quick and easy installation, especially in confined spaces, eliminating the need for traditional hot work methods. Technical specifications Type: Brass male coupler Size: 15mm X 1/2' Male BSPT Pack quantity: 5 Compatibility and accessories Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) Compatible with copper pipe Installation Instant push-fit connection To connect, simply push onto a plastic or copper pipe To demount, push the collet towards the body of the fitting and pull the pipe to release Usage Suitable for hot and cold water systems Suitable for central heating systems