CertainTeed Rolled Ridge Vent is available in both filtered and unfiltered options to suit your specific needs. CertainTeed's Filtered Rolled Ridge Vent introduces a unique weather filter that acts as a secondary level of defense, providing enhanced protection against the elements. Drawing inspiration from the proven effectiveness of externally baffled ridge vents, independent research and testing have positioned CertainTeed's offering as the top performer in terms of airflow and weather protection. Crafted in 28-foot rolls, CertainTeed Ridge Vents integrate advanced technology to deliver optimal results when paired with sufficient intake vents, such as CertainTeed Intake Vent. This combination forms the most efficient and effective ventilation system available, ensuring your attic space remains well-ventilated year-round, contributing to the longevity and overall performance of y...See Moreour roof. CertainTeed’s Unfiltered Rolled Ridge Vent stands out with its external baffles that maximize airflow through the attic space, providing consistent ventilation. Engineered with built-in, weather-tight ventilating end plugs that flex to complement different roof pitches, this vent offers a low-profile design at just 3/4” high. This design permits capping with 12” ridge shingles, providing a polished, finished look to your roof. For added protection, the CertainTeed Filtered Rolled Ridge Vent combines the exceptional performance of the Unfiltered version with an internal weather filter. This additional layer ensures even greater defense against rain, snow, dust, and insect intrusion, making it an ideal choice for homeowners seeking comprehensive protection. Both options provide 12 square inches of net-free area per linear foot, a roll length of 28 feet, and fit pitches from 3/12 to 12/12. Backed by a Limited Lifetime Warranty and 5-Year SureStart™ Protection, CertainTeed Rolled Ridge Vent is CSA approved, offering peace of mind and confidence in its quality and performance. Upgrade your roofing system with CertainTeed Rolled Ridge Vent for superior ventilation and weather protection that goes beyond expectations. See Less