Quadro-Secura® E 1
- Single-compartment house lead-in with sealing on both sides
- Use in on-site casing or waterproof concrete core bore (white tank)
- Building services: gas, water, electricity and telecommunications
- With additional seal flange for use in accordance with DIN 18533 W2.1-E (black tank)
- Variant: Quadro-Secura® E 1 / wide for twin/element walls