The BB-PLT-PNL is a 3RU accessory kit that allows mounting of up to 3 BlueBridge® wall plate controllers in a standard width equipment rack. SPECIFICATIONS HEIGHT 3RU - 5.25" (133.35mm) WIDTH 19" (482.6mm List price: $71.99Price: $58.99 Quantity * SKU: BB-PLT-PNLCatalog: Commercial AccessoriesRacks & Rack AccessoriesBrand: AtlasIEDDimensions: 20 in × 3 in × 3 inWeight: 3 lb