Vip Length – 100 cmWidth – 15, 20, 25 cmHeight – 9,4 – 30,4 cmLoading class A15 (1.5ton), B125 (12.5ton), C250 (25ton) HDPE channel.Grating – Galvanized, Stainless steel, Ductile iron, HDPE Gratings are fastening to channel by 2-screw tie-rod fixing system.It comes complete with drain boxes.Easy to install See Installation Instructions