Leviton 47605 21E 21 Inch Structured Media Enclosure, White

Cutout pattern in bottom accommodates the same AC power modules and DC power supplies as the 28-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, Manufacturer: Leviton