External wall guide 149mm, internal 63/76/90/110mm

• For sealing masonry openings for gas pipes, water pipes,
drainage pipes and cables against pressing and
non-pressing water
• 40 mm NBR sealing element for pressure tightness up to 1.5 bar
• Thrust washers, closed, made of V2A
• The “onion ring technology” allows a variable internal diameter
• The sealing area can be produced in 5 mm increments by removing/trimming a seal insert