John Guest Speedfit 15mm Stem to 12mm Reducer - Perfect for Caravan, Campervan, Boat and Motorhomes

Quickly and easily reduces the diameter of a John Guest push-fit fitting. John Guest black push-fit acetal reducer fitting reduces a John Guest push-fit connection port. 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.