Hoffman A37P21N, Panel, Lg, Type 1, 37.16X21.50, Fits 48.00X25.5/26, Steel/WhitePanels for free-stand Type 1 large one-door standard and disconnect enclosures are 12 gauge steel. Panels have either polyester powder paint finish or a conductive, corrosion-resistant coating. Product Specifications BRANDHoffman® COLOR FINISHPainted steel MANUFACTURERS PART NUMBERA37P21N TYPE1 CONSTRUCTIONSteel FITS48.00x25.5/26 DESCRIPTIONPanels COLORWhite A X B X C MM-- PANEL SIZE D X E (MM)944 x 546 FORFree-Stand Type 1 Large One-Door Enclosures A X B X C INCHES-- PANEL SIZE D X E (INCHES)37.16 x 21.50