This 28" enclosure is the perfect solution for a basic structured wiring system. It features larger top openings that make pulling wire easier as well as additional knockouts, more side lances, and side tabs for more flexible mounting. It includes a screw-on cover.FEATURES AND BENEFITS:• RoHS Compliant• Flanged covers hide drywall openings• Drywall depth indicators• Flush and surface installation• Mounting tabs provide correct flush-mount position for standard installations• Patented mounting system offers versatile module mounting options• Literature pouch included for dealer information• Includes self-adhesive cable identification table• Cover included• Made in the USA