1-3/4 in collar. Includes damper and screen.
Unit: EA
UPC: 039899001096
Model Number: 109R
Features
- Damper and screen prevents outside elements from entering the vent
- Screen prevents birds from nesting inside of vent
- Designed to prevent leaks with proper installation
Additional Information
- Dimensions: 11.5 in L x 9 in W x 7.26 in H
- Includes: (1) Aluminum Roof Cap
- Material: Aluminum
- Specifications: 4 in Open
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