Master Flow Fresh Air Vents come with a built-in screen to prevent bird entry. They can be used to vent a combustion system or anywhere fresh air intake is needed.
- Built-in bird screen
- Sturdy galvanized steel construction
- Always seal seams with building code approved sealant or duct tape
- Install with sheet metal screws
- Built-in screen to prevent bird entry
- Maximum temperature rating of 390 degrees Fahrenheit, minimum temperature rating of -100 degrees Fahrenheit