Adjustable Gland Plates are used to seal the bottom of the ProLine frame. Solid, vented and shielded Gland Plates are available. Solid and filtered gland plates include covers that are gasketed to maintain Type 12 enclosure requirements. All installation hardware is included. Solid Gland Plate and EMC Gland Plate are accessories to 100-mm Solid Base, 100-mm/200-mm Plinth Base, Mobile Base and Transportation Base. These gland plates can be used without a base if casters, levelers or frame feet are installed. EMC Gland Plate maintains a Type 1 rating.