John Guest push-fit acetal female adaptor (BSP thread) fitting connects metric sized pipework to a BSP type fitting. Fast and simple to install, John Guest push-fit fittings create an instant push-fit connection and leak tight seal without the need for tools, hot works or sealing agents. The unique collet locking design firmly and securely holds the pipe in place without deforming the pipe or restricting flow. Fittings are corrosion resistant and fully demountable, improving system performance and reducing system downtime during maintenance. Manufactured in acetal copolymer, the fitting is suitable for water, potable liquids and intermittent hot water applications (up to 65C max). All John Guest fittings are manufactured and assembled in the UK. Rigid and hardwearing acetal copolymer material with an EDPM O-Ring Suitable for potable liquids and intermittent hot water applications up to 65C max (not suitable for air, pneumatic or vacuum applications) Instant push-fit connection and leak tight seal Connect, disconnect and reconnect in seconds without tools No scale build up improves performance and equipment lifespan Superior flow characteristics Compatible with LLDPE or soft metal pipe/tubing John Guest 'Speedfit 12mm X 1/2' Female Adaptor BSP CM451214FS in Beige