The Master Flow 36 in. Replacement Shutter for Master Flow Whole House Fans is specifically designed for belt-drive models. The louvers open when the unit is running and close when the unit shuts off. They are all-aluminum construction with felt-tipped louver, reducing noise and vibration.
- Designed specifically for use with master flow 36 in. belt-drive models
- Louvers open when the fan is running and close when it shuts off
- Felt-tipped louvers help reduce noise and vibration
- One piece construction for easy installation
- Can be used with belt or direct drive models
- Cut-out dimensions (40-1/2 in. x35-7/8 in.) overall dimensions (42-1/2 in. x 37-3/4 in.)
- White finish