This project was a total roof replacement by Miller's Roofing Inc. Wellsville, PA using GAF Lifetime Roofing System. Take the worry out of choosing a new roof with GAF roofing products designed and tested to work together for maximum performance and protection. Cobra Snow Country Advanced Exhaust Vent is a key part of the GAF Lifetime Roofing System. GAF attic ventilation promotes energy efficiency and helps protect your roof system from premature deterioration. Call or email today for your free estimate.