Hinged lid Q08 294x294mm for 5mm floor covering made of iron grey polyamide. Supply unit / hinged lid for ultra-flat installation depths in accordance with DIN EN 50085-1 and DIN EN 50085-2-2, including fastening set for clamping range 5 - 15 mm plus lid covering thickness, suitable for floor boxes, screed-flush and above-floor duct systems, with covering protection frame.