The Pressio®-Rings wall penetration seals are the safest means of wall penetration for pipes wherever annular spaces must be sealed. The seals are made of soft rubber and stainless steel pressure plates. The Pressio® wall penetration seal is leakproofagainst high external water pressure. Pressio® Individual wall penetration seals are custom-made to the customer’s specifications. We have special versions available for various different pipe shapes and the eccentric feed-through of multiple pipes.