Leviton 47612-42B Structured Media Center Extender Bracket for 420 Series Adds 2-Inch of depth to Leviton's Series 280 and 420 Series Structured Media Centers to accommodate larger modules and provide more room for better cable management Louvers in Extender Brackets enhance ventilation within the Structured Media Centers for added protection against heat build-up from installed modules Each Extender Bracket package for the Series 280 or 420Structured Media Centers includes four 2-Inch- deep sheet metal rails that attach together to create a frame extension between the Structured Media Centers enclosure and the cover Made of sturdy white powder-coated 18-gauge sheet metal 2 Year limited warranty