GAF COBRA Snow Country 2027000CU Exhaust Vent, 4 ft L, 13.7 in W, Polypropylene, Black (Pack of 10)

Cobra® Snow Country® exhaust vent for roof ridge allows heat and moisture to escape and helps resist snow infiltration in harsh winter weather. It provides 18 sq-in per ft of net-free ventilating area. The unique EasyTear™ sizing feature allows you to hand-tear product in 3 in increments - no knives necessary and less waste.