• E1447 • Overall Size = 25.5" x 25.5" • Wall Opening = 20.5" x 20.5"
• Port Layout = 4 x 4 • # of Ports = 16 • Port Size = 4"
• Manufactured from heavy gauge T6 Aluminum.
• Tough baked-on powder coat finish.
• Sealing caps and mounting hardware included.