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 material, this acetal union elbow quick connect fittings is designed for durability & longevity in reverse osmosis systems. Acetal is known for its superior resistance to wear, chemicals, & temperature variations, making it ideal for water filtration applications. This ensures a reliable connection that can withstand high water pressure & continuous flow, maintaining performance & safety in any water system setup. 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