The Unitwist Coupler Cxfi 15mmx1/2 Inch Is A Versatile Plumbing Fitting Designed To Create A Straight Connection Between 15mm Pipes And 1/2 Pipes. Its Unique Cxfi Design Offers A User Friendly Solution For Various Plumbing Applications. Whether You Need To Join Pipes With Different Diameters Or Connect Them Securely Without The Need For Complex Tools Or Threading; This Unitwist Coupler Simplifies The Process And Ensures Reliable; Leak Free Connections.