Hammond 1554 Series Watertight Polycarbonate Enclosures – Hammond 1554U2GY, This watertight grey PC enclosure from Hammond measures 200 x 120 x 90mm and comes equipped with a flat lid. It is ideally suited for mounting printed circuit boards or DIN rail mounted components. Hammond 1554U2GY Watertight PC Enclosure 200 x 120 x 90mm Grey