💧 Connect with Confidence! Built to withstand the rigors of professional use without compromising performance. Crafted with a 12mm outer diameter and 9mm inner diameter for optimal flow. Easily connects with Whale or John Guest 12mm Speedfit systems. Perfect for a variety of plumbing and water delivery systems. Quick and hassle-free setup, making it ideal for busy professionals. Compatible with Speedfit 12mm OD 9mm ID The John Guest 12mm Red Water Pipe features a robust design with a 12mm outer diameter and 9mm inner diameter, ensuring compatibility with Whale or John Guest 12mm Speedfit connections. Ideal for professionals seeking reliable and efficient water delivery solutions.