SitaDSS Ravana Plus, gutter rainwater outlet for siphonic drainage for liquid applied waterproofing, made of stainless steel, material No. 1.4301, to DIN EN 1253-2, in size DN/OD 70/75, with an adapter consisting of a plug-in coupler DN 70 and an EPDM seal, suitable for electrofusion sockets, for direct connection to PE pipes to DIN EN 1519. With a discharge rate to DIN EN 1253-2:2015-03 of 29.8 l/s with a retaining height of 70 mm and full filling, with pre-drilled holes to secure the component in the substructure, with three M6 x 55 threaded rods, washers and hexagon nuts, to hold the Airstop, complete including Airstop, supply and install to professional standards.