Set BI-Adapter inside / inside DN 400 (2 pcs.) + VPC 430 connector (1 pc.) For connecting two concrete sewage pipes with a foot or with different external geometry BIAII400_0000

A solution for situations when it is necessary to connect an existing concrete channel with new pipes of non-standard dimensions. BI adapter, inside / outside enables efficient and safe connection of both pipes, even when the end of the new pipe does not fit into the socket of the existing pipe. It will also work during repairs, e.g. with damaged concrete pipes.