Master Flow SGM20 Power Vent Automatic Shutter, White, Aluminum FREEOVER35 No sanding to refinish your

No sanding to refinish your hardwood floors

tank sprayer or sponge

Ideal for rooms up to 360 square feet (18 by 20 feet) with standard 8-foot ceilings

asphalt oxidation

Steel gauge: 25

Master Flow SGM20 Power Vent Automatic Shutter, White, Aluminum FREEOVER35 No sanding to refinish yourHighlights: Color: White Height: 20. 5 in Material: Aluminum Rough Opening Size: 16 1 2 in L x 16 1 2 in W Suitable for: All Gable Mount Power Attic Vents Width: 19 1 4 in Use with all gable mount power attic vents Moving air opens the louvers only when the power vent is operating When vent is off, shutter helps in preventing infiltration of rain, snow, insects and many more Maintenance free white aluminum construction