Substructure tray: As drip tray with galvanised grating (30 x 30 mm) in the front area. Oil- and water-tight welded construction according to Water Resources Act Sec. 19/StawaR (German directive on steel trays) (with corresponding type plate and test certificate). Specification: sheet steel St 37-2, galvanised grating. Colour: substructure anthracite, RAL 7016.