Hoffman P23VSH68B Shelf, Vented, 23", NC, 19.68 deep, Steel/BlackMounts to front surface of front and back rack angles. Shelf is made of painted 14 gauge steel and the adjustable support brackets are clear-plated 12 gauge steel. Adjustable to fit multiple-depth enclosures or rack angle placement. Both solid and vented models available. Fits 19- or 23-in. rack spacing. Requires only 1U of rack space. Shelf has RAL 7035 light-gray textured or RAL 9005 black textured polyester powder paint finish. Load rating: 150 lb. (68 kg) Product Specifications BRANDHoffman® MANUFACTURERS PART NUMBERP23VSH68B TYPEVented CONSTRUCTIONSteel FITS RACK-- L X W (MM)500 x 542 L X W (IN.)19.68 x 21.32 DESCRIPTIONRack-Mount Adjustable Shelf COLORBlack FITS ENCLOSURE DEPTH UP TO (MM)800 FITS ENCLOSURE DEPTH UP TO (IN.)31.5 H X W X D INCHES-- RACK UNITS--