Lomanco 550PROB Static Roof Ventilator, Aluminum, 50 sq-in

Highlights:

• Color : Black
• Material : Aluminum
• Net Free Ventilating Area : 50 sq-in
• Overall Height : 4 inches
• Overall Width : 15-3/8 inches
• Includes a perma-coated screen for added protection
• Flange on vent stack for superior weather protection
• Static roof vents are exhaust vents by design
• Include a birdproof design. a weathertight seamed collar and a high-profile and rolled flange on the vent stack for superior weather protection and circulation