It is installed on the roofs of non-accessible buildings for rainwater drainage, recommended for polymer-type insulation membranes. – Material: polypropylene (PP), thermally insulated drain body – Connection: DN160 – Drainage capacity: 14.10 l/s – Outlet: vertical – Sealing flange: PP with stainless steel clamp elements – Inlet: 170 mm leaf basket – Standard: EN 1253 – Recommended for: polymer roof insulation membranes – Drilling hole dimension: 255 mm – Includes: 6 tightening nuts, alternatively with wing nuts. It is recommended to perform at least one cleaning before the start of the season, or as required for proper operation of the drain.