Made of galvanized and plastic coated steel; with one open side and three flanged
sides, developed for water outlets near parapets or water spouts, can be used on
upstands with insulation material fillet, perforated edges to install without tools.
Can be combined with the Extension Pieces KSA 8/30 and KSA 20/30. Outer
dimensions of chamber: ca. 300 mm × 300 mm; aperture dimensions:
ca. 240 mm × 240 mm; flange on three sides ca. 85 mm.