In modern cities, inspection manholes must be used at regular intervals in gravity sewer, rainwater and drainage lines in order for infrastructure systems to operate without problems.

In today's technologies, lightweight, durable, leak-proof, quickly installed technological inspection manholes made of HDPE are preferred instead of heavy-mass, reinforced concrete inspection manholes.

It can be produced according to any project, with diameters ranging from 400 mm to 2600 mm, up to 14 meters in length, with all kinds of angled inlets and outlets, flanged connections, covers, stairs, etc.