20" x 7-3/4", Cast Iron Frame, Black Epoxy Coated, Hat Shape, Monitor Cover with Plastic Locking Lid and ERT Bracket

Hat-Shape Design to Minimize Surface Exposure and Provide Additional Ground Insulation; Inset Lid Design Rests Flush with the Top of the Riser Ring; ERT Bracket Mounted to Underside of Lid, will Accommodate most AMR Devices

Monitor Cover; Depth 7-3/4 Inch; Diameter 20 Inch; Material ASTM A48 Class 25 Cast Iron Frame; Finish Black Epoxy Coated; Shape Hat; Tile Size 36 Inch Inner Diameter; Includes Plastic Locking Lid and ERT Bracket