Master Flow 4 in. Fresh Air Vent
Product Overview
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. Constructed of galvanized steel.
- 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 degree F, minimum temperature rating of-100 degree F