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: MATERIAL: Made of high-quality PP (Polypropylene), this plastic barb connector offers excellent durability and resistance to wear, ensuring a long-lasting solution for your plumbing and irrigation needs. Perfect for various applications, it seamlessly connects 1/2 NPT to 3/8 hose barb fittings, serving as a versatile 1/2 to 3/8 adapter. Compatible with hose barb fittings, it ensures a secure and leak-proof connection. 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.