Short pipe sealing cushion for sealing house connections 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. This sealing cushion is suitable as a supplement to the HPU 10/20 test pipe sealing cushion. - Flexible, lightweight design especially for house connections - NW 5 compressed air quick-release coupling for filling or connecting a push stand - Suitable for pipe inner diameters of 100-200 mm - Operating pressure 2.5 bar - Made of natural rubber with fabric insert - Total length 530 mm