Short sealing cushion for sealing pipes during leak tests in accordance with EN 1610 using air/water or DWA-A 139, as well as oil and petrol separator tests in accordance with DIN 1999. - Flexible, lightweight design specifically for house connections - Compressed air quick-release coupling NW 5 for filling or connecting a push rod - Suitable for pipe inner diameters of 80-150 mm - Operating pressure 2.5 bar - Made of natural rubber with fabric insert