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: Reliable Air Water Connection: This quick connect bulkhead fitting ensures secure air hose fitting or water line connections through tanks or walls, preventing leaks and providing a strong seal. Crafted from durable Acetal, it?s designed for long-term reliability, making it perfect for both air and water transfer applications. Ideal for any reverse osmosis system or other water system setups requiring safe and efficient fluid or air connections. 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.