• Dimensionally stable design and high mechanical strength
• Production from certified material PVC-h
• Roughened outer surface for good concrete bonding
• Suitable for all plastic cable protection tubes
• Can be used for smooth and corrugated pipes
• Without a stop, pipes can be fed through
• available in different sizes
• Available for different concrete shaft wall thicknesses
• With beading, optionally available with sealing rings
• usable on both sides