Aluminum Square-Top Utility Vent
- Recommended for kitchen duct outlets and bathroom fan exhausts, as well as attic ventilation
- Full 50 sq. in. of net free ventilating area (NFA) per vent
- Square throat
- Pre-drilled nail holes with extra wide flashing area
- Dimensions: 17-3/8" x 15-3/8"
- Opening size: 9"