Durovent with Baffle Attic Vent Channel DUROVENT BAFFLE - The most economical way to ventilate while blocking out wind and rain. SIMPLE INSTALLATION - One-step installation, eliminates the need for using blocking material. DURABLE - Both water resistant and durable, blocking out moisture and wind from penetrating the attic. EASY POSITIONING - Easy positioning and stapling, allows for wide range of heel heights. 70 UNITS - Durovent Baffle, 23.5" x 46"  70/carton.