Ridge vents are a proven solution for balanced attic ventilation for many building designs. Duraflo provides a full line of ridge vents, including both 4' stick vents and ridge roll vents, available in filter and non-filter versions. Like all our products, Duraflo ridge vents are made in North America and use high-grade polypropylene, the right material for both extreme heat and cold climates. These products are easy to install, with hammer or nail gun fastening options.