nVent Hoffman A31-DTCOVERKIT APO DT Trnsp Hngd Scr Cvr Insp Wdw Blk Insrt, 11.89×7.32×1.77, Smooth, Fiberglass Top Rated

nVent Hoffman A31-DTCOVERKIT Available sized from 12” x 7” to 24” x 12” (H x W)DT Covers are maintenance free and corrosion resistantFrames are made from hot compression molded halogen free, self extinguishing fiberglass reinforced polyester (FRP) that can withstand continuous temperatures from -58°F to 302°F (-50°C to 150°C)Inspection windows are made from transparent polycarbonate that can withstand continuous temperatures to 248°F (120°C)Included thumb screw inserts allow quick window opening for access to interior componentGaskets are made from continuously poured polyurethane foam