Tripp Lite by Eaton (SRCOOLMVKIT) PanelThe SRCOOLMVKIT SmartRack Magnetic Vinyl Kit consists of six panels that attach magnetically to the vented front door, rear door or side panel of your floor or wall mount rack enclosure. By blocking perforated areas, cool air is trapped inside the rack cabinet, and hot spots that can damage connected equipment are eliminated. Operating at a cooler temperature allows your sensitive rack equipment to last longer and work more efficiently. With four 16.