General description Cap for pipe ends in ventilation systems, available in various sizes. Suitable for use on spiral tubes or folded spiral-seam pipes. Technical specifications Material: Galvanised steel sheet, pressed, seam-welded and calibrated Double-cub gasket made from EPDM rubber Tightness class: D according to standard EN 12237 Available sizes: Model Ø Nominal diameter (mm) Length (mm) ED 80: 80 mm, 23 mm ED 100: 100 mm, 23 mm ED 125: 125 mm, 20 mm ED 150: 150 mm, 20 mm ED 160: 160 mm, 22 mm ED 200: 200 mm, 20 mm ED 250: 250 mm, 26 mm ED 315: 315 mm, 21 mm