Designed, manufactured and assembled in the UK by John Guest Speedfit. Connectors use a grip then seal collet arrangement. The female coupler is ideal for the connection of taps, and Toilets. Simply push the fitting fully onto the pipe and turn onto the thread. Should the need arise to demount the connection unlock the nut push the collet towards the body of the fitting and pull the pipe to release. Additional Details ------------------------------ Bullet point: DURABLE ACETAL CONSTRUCTION: Crafted from high-quality acetal, this John Guest Male Connector Quick Connect Fitting is designed for exceptional durability and performance in plumbing, reverse osmosis water filter, and irrigation applications. Acetal offers superior strength, heat resistance, and resistance to chemicals, making it ideal for water purifier systems, reverse osmosis water filters, & even air & gas lines. Its reliability makes it a valuable addition to your home improvement toolkit. Product description: Designed, manufactured and assembled in the UK by John Guest Speedfit. Connectors use a grip then seal collet arrangement. The female coupler is ideal for the connection of taps, and Toilets. Simply push the fitting fully onto the pipe and turn onto the thread. Should the need arise to demount the connection unlock the nut push the collet towards the body of the fitting and pull the pipe to release.