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
Broan-Nutone 509 Through-Wall Fan
- Damper opens when fan turns on, closes air tight when fan turns off
- Dual flow for superior air movement and weather seal
- Twist lock motor mounting bracket
- 4-pole motor
- Adjusts for walls 4-1/2" to 9-1/2" thick
- 120V, 60 Hz
- White plastic grille