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: ENHANCED PERFORMANCE MATERIAL: Crafted from high-strength acetal copolymer, these quick connect fittings deliver superior heat resistance and durability compared to polypropylene. Designed with a food-grade nitrile O-ring, they are ideal for reverse osmosis water filter, home water filter, and water pipe systems. Versatile for air quick connect and reverse osmosis tubing, they excel in CO2 lines, pneumatic setups, and vacuum applications. Material: Acetal. 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.