GAF 5025826 0.875 x 11.5 in. x 4 ft. L Cobra Black Plastic Roof Vent Case - Pack of 10

When installed as part of a properly balanced attic ventilation system, GAF Cobra Rigid Vent 3 is a rigid-style shingle-over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic while resisting wind-driven rain infiltration. It features a unique EasyTear Sizing Feature that helps eliminate cutting and reduces waste. Help protect your roof system from premature deterioration by installing a properly balanced attic ventilation system consisting of Cobra Rigid Vent 3 at the ridge and adequate intake ventilation at or near the soffit areas of your roof.