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even when exposed to sunlight
Series 1400
2 pole 3 wire
It operates on 4 "AA" batteries and features smartkey re-key technology as the back-up keyway
Master Flow SGM20 Power Vent Automatic Shutter, White, Aluminum NonMap For more information go toHighlights: 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
US$ 55.50
US$ 25.00
US$ 109.00
