FeaturesSeams continuously welded and ground smoothExternal formed body flange troughLarge perimeter body openingFastening holes in back of body for direct mounting or optional external mounting bracketsSeamless foam in place gasketM6 bonding provision on cover, M6 ground stud in bodyFurnished hardware kit includes panel mounting screws, grounding hardware and sealing washers for wall mounting holesCaptivated type 316 stainless steel cover screws with sealing bushings made of a durable composite materialIntegral compression stops maintain optimal gasket compression