It provides 12 5 sq.
Gaf cobra attic ventilation.
Inches per linear foot 26 454 m 2 lm of net free ventilating area.
Inches per linear foot 19 051 mm 2 lm of net free ventilating area to help exhaust heat and moisture from the attic.
Cobra ridgerunner exhaust vent for roof ridge allows heat and moisture to escape at the ridge.
Cobra hip vent provides effective ventilation on hip roofs with little or no ridge area.
The integral weather fighter filter helps resist all types of weather infiltration.
It provides 9 sq.
Inches per linear foot 67 720 m 2 lm of net free ventilating area and its unique easytear sizing feature allows you to hand tear product in 3 76 mm increments no knives necessary and less waste.
It provides 18 sq.