Product Description Plasson WRAS 77017 PLASS4 Universal Coupling Compression The Plasson PLASS4 Universal Connections are designed to work with metric polyethylene and connect it to a wide range of pipe type; including imperial polyethylene (alkathene), copper (table x and y), lead, galvanised steel, uPVC amd poly-york. Pipe Connection compression fittings for low density and medium density polyethylene pipes (LDPE & MDPE pipes) for above and below ground use. WRAS Approved Available in 6 Sizes; 15-22mm x 25mm 20-27mm x 25mm 20-27mm x 32mm 27-35mm x 25mm 27-35mm x 32mm 35-50mm x 50mm Click for Product Data Sheet