Labyrinth Wall Penetration Seals 4 pipes
4 pipes GmbH . Sigmundstr. 182 . D-90431 Nürnberg . Phone +49 (0)911.81006-0 . Fax +49 (0)911.81006-111 . info@4pipes.de 
Documents to download:
Used at building penetrations, especially on pre-insulated pipes for district heating, as a water-stop which is directly in the wall. A high quality rubber ensures maximum safety. A hight quality rubber guarantees maximum safety up to 2 m water column.
Product Datasheet