Americraft WS16 Shutters; Fan Size: 16 (Inch); Opening Height: 16 (Inch)

Shutters; Fan Size: 20 (Inch); Opening Height: 20 (Inch); Overall Height (Inch): 23 ; Material: Aluminum ; Overall Width (Inch): 23 ; Opening Width (Inch): 20

Shutters; Fan Size: 48 (Inch); Opening Height: 48 (Inch); Overall Height (Inch): 51 ; Material: Aluminum ; Overall Width (Inch): 51 ; Opening Width (Inch): 48

Shutters; Fan Size: 18 (Inch); Opening Height: 18 (Inch)

Shutters; Fan Size: 12 (Inch); Opening Height: 12 (Inch)

Shutters; Fan Size: 42 (Inch); Opening Height: 42 (Inch); Overall Height (Inch): 45 ; Material: Aluminum ; Overall Width (Inch): 45 ; Opening Width (Inch): 42