Dimensions External Dimensions: 660 x 510mm Clear Opening: 600 x 450mm Overall Depth: 60mm In Tray Depth: 48mm Description The DS-Line is an odour and waterproof aluminium recess cover with the cover self secured in the outer frame. The recess cover features two seals: one seal at the base and a  T rubber seal incorporated into the outer frames side. The T Rubber seal has three functions It prevents dirt between the recessed cover and the frame. The rubbers elastic effect avoids tension between the recessed cover and the frame. It offers an additional odour barrier.