VENTILATION MAXIMUM Maximum 301 Black Slanted Roof Vent - 12" x 12"

Prevent condensation issues in your attic with this Maximum ventilation roof vent. Unlike turbine models, this slanted roof vent doesn't require rotation to prevent water or snow from infiltrating your home. It has a unique patented deflector system that can capture wind velocities as low as four miles per hour. Want to keep out pesky rodents and birds? No problem, this roof vent is fitted with wire mesh. Draw stale air and moisture out and replace it with fresh air through the soffits of this model 301 roof vent. With a recommended roof ventilation capacity of 1000-1200 square feet, one of these vents can replace three 12" or two 14" turbines.

• Unlike the turbine, these static roof vents do not require to rotate to prevent water or snow infiltrations
• Its unique patented deflector system prevents infiltrations while at the same time capturing the wind flow from any direction and at wind velocities as low as 4mph
• Combination of technology, wind and pressuredifferential, a "chimney effect" results in drawing the stale air and moisture out and replacing it with fresh new air that enters through the soffits
• It's recommended ventilation capacity is 1000 to1200 sq.ft.
• Just one of these ventilators can replacethree 12" or two 14" turbines
• A bonus feature to this is its wire mesh toprevent infiltration of unwanted rodents and birds
• Has an average tested evacuation flowof 418 CFM for a relative wind of 4MPH
• Ventilation maximum model 301 is adaptable to roofswith slopes varying between 1/12 to 15/12
• Total ventilation capacity spread over: 12 openings
• Net ventilation: 144 sq.inches
• Minimum height: 20"