stainless steel casing for concreting, with middle flange, as a recess for later installation of cables and pipes using KRASO Sealing Insert (not included). ID = Internal Diameter Casing True Diameter
KRASO Casing Type E/FE/M Scope of supply: KRASO Casing Type E/FE/M made of non-corrosive stainless steel V2A, with middle flange surrounding approx. 10 cm, and 2 KRASO Covers as installation aid