Balanced ventilation will prolong the life of your roof while providing energy savings and comfort， These 40 sq. in. roof vents are made from reliable galvanized steel. This vent features an internal aluminum screen to prevent intrusion by birds or large insects. The slant back design helps divert rain， snow and debris away from the vent opening.

• Brand Name: Air Vent
• Height: 4.2 in.
• Width: 14 in.
• Length: 16.7 in.
• Diameter: 8 in.
• Color: Brown
• Material: Aluminum/Steel
• Product Type: Roof Vent
• Paintable or Stainable: Yes
• Shape: Square
• Screen Included: No
• Wildlife Guard: Yes
• Cutout Below Counter Height: 16.5 in.
• Net Free Area: 40 sq in
• Vent Type: Roof
• Opening Dimension: 7.5 in.
• Pitch: 3/12 - 12/12
• Area Vented: 94 sq ft
• Interior Louver: Yes