This product replaces two elements: ring and well bottom (Picture 1).
Well with the bottom Ž4-7-0,65DU (Picture 2) is intended for surface water collection and drain into the drainage systems (mounted under the rainwater pipes, at the car parking grounds, yards at the lowest point). Product can be completed with cast iron grate (grate load 30 t). Well can have one, two or three pipe connection openings.