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

4 in. Fresh Air Vent

SKU: 100196
$10.00 Regular Price
$7.50Sale Price