Master Flow SGM20 Power Vent Automatic Shutter, 19-1/4 in W, Aluminum, White

Description
Specifications
25.257.257
3.3lb
19.5in
21in
2.75in
Master Flow
Ventilation Products
White
20.5 in
Aluminum
16-1/2 in L x 16-1/2 in W
All Gable-Mount Power Attic Vents
19-1/4 in