This is a part of the adhesive pipe system.
Absolutely avoid at installation, the installation of additional connections with rubber seals or O-rings as well as welded joints.
Please also note that the pipelines are installed either horizontally or vertically.
The Variovac Pipe connection hose, 1 m, DN50.8 is intended for connection with the Variovac Vac Pan kit (SKU:*353310, *353510, *353610).