Product Brochure

25
25
For optimum performance, use with Cobra
®
Ridge Vents.
Cobra
®
IntakePro
™
Rooftop Intake Vent
USAGE RECOMMENDATIONS (Based on the 1/300
Attic Ventilation Rule)
Total
Attic Square
Footage
Recommended Length Of
Cobra
®
IntakePro
™
Rooftop Intake Vent (Feet)
Minimum Exhaust
Ventilation
(Net Free Area In Sq. In.)
1600 43 387
1900 51 459
2200 59 531
2500 67 603
2800 75 675
3100 83 747
3400 91 819
Cobra
®
IntakePro™ Rooftop Intake Vent has 9 sq. inches per lineal foot (19,051 mm2/lm) of net free ventilating area.
NOTE: Always have a balanced ventilation system. In no case should the amount of exhaust ventilation exceed the amount of intake ventilation.
Cobra
®
IntakePro
™
Rooftop Intake Vent
installed at the eave edge
Hot, stale air
exhausts through
the Cobra
®
Ridge Vent
Cool, fresh air enters through the
Cobra
®
IntakePro
™
Rooftop Intake Vent