Super-strong, black, light-weight pit base made from structurally foamed polypropylene. Solid cast aluminium lid also available for installation under ground. Templates tattooed on base for connection to stormwater pipes. Aluminium flush grates. Riser available. class A galvanised, plain solid aluminium lid and Class C Ductile iron. Class A galvanised grate, which, with proper installation, supports weight of domestic vehicular traffic. Can be fitted with Reln Leaf Guard. Width: 350mm x 350mm. Height (with grate): 325mm. Height of riser: 260mm. Capacity: 22L.