The Pressio-Rings wall penetration seals are the safest option of wall penetration for pipes wherever annular spaces must be sealed. The seals are produced of soft rubber and pressure plates of stainless steel. The Pressio wall penetration seal is tight against pressing water. Pressio Individual wall penetration seals are customized to customer’s specifications. Special versions for different tube shapes, eccentric feed through, as well as for several pipes are possible.