Master Flow SGM20 Power Vent Automatic Shutter, White, Aluminum Autumn_Cleaning Non-Abrasive Polyethylene Material

Non-Abrasive Polyethylene Material

Frequency Rating : Voltage and AmpTip™ current: 50/60 Hz

Also use for trimming and edging landscapes

Large size

Master Flow SGM20 Power Vent Automatic Shutter, White, Aluminum Autumn_Cleaning Non-Abrasive Polyethylene MaterialHighlights: 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