Leviton 47605-28S 28-Inch Vented Premium Hinged Structured Media Door,  White Cutout pattern in bottom accommodates the same AC power modules and DC power supplies as the 21-Inch and 42-Inch enclosures Mounting slots on the enclosure simplify adjustment for different sheetrock depths Sheetrock depth marks (1/2", 5/8", 3/4") on the enclosure simplify alignment Lance slots provide clean cable management within the enclosure Self-healing foam grommets protect cable bundles and prevents dust from entering the enclosure