Natural-coloured polyethylene for general use, but especially suitable for installation in bed and storage compartments as well as in intermediate floors. 1 cleaning opening Ã? 120 mm, 4 inlets or outlets Ã? 40 mm, can be opened if required, each recessed in niches, 4 inlets Ã? 19 mm (or vents), top and bottom ribbed for stiffening
