Silenta 3A is a sound-insulating 3-layered soil and wastewater pipe system made of PP material which is specially formulated and reinforced for non-pressurized domestic drainage in accordance with System Standards of DIN EN 1451, DIN 4109 and DIN 4102. Silenta 3A has high performance in all places that require impact, durability and sound protection. The pipe diameters range from 40 mm to 200 mm. The system also includes bases and fittings with additional accessories.