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The Niro inspection covers are used wherever access to pipes
Ventilation grille made of high-quality plastic (PVC-U) for installation in masonry with automatic closing flap
TÜV and DiBt tested
It has a rear wall for high splash protection
installation dimension: 379 x 65 mm
HT-Rohrbelüfter Kg-kanalgrundrohre The Niro inspection covers areIn order for a drainage system to function reliably, sufficient ventilation must be ensured. If ventilation is not guaranteed, negative pressure can build up in the pipe system. This negative pressure causes the sealing water in the siphon to be sucked out. As a result, sewer gases can enter the rooms unhindered and cause unpleasant odors and hygiene problems. The Marley pipe aerator prevents precisely this negative pressure and ensures that the
