John Guest Speedfit Straight Coupler 15mm (Pack Of 5)Choose this equal straight coupler to securely connect two pipes of the same size. Part of the JG Speedfit plastic push fit system, the 15mm connector couldnt be easier to use simply push it fully onto the pipe, then twist the plastic nut clockwise to lock it in place. Up to 40% faster to install than traditional methods, the equal straight connector is also easier to use in tight spaces because theres no need for hot works and tools. Demounting the