Lomanco LomanCool VUR10B Series Ridge Vent, 3/12 to 8/12 Roof Pitch, 10 ft L, Aluminum, Black Black (Pack of 10)

One-piece construction. Male/female connections, no straps necessary. Engineered weather infiltration protectors at each connection. Pre-punched nail holes. Exterior wind baffles. Adjusts from 3/12 to 8/12 pitches. 18 sq-in of net-free ventilating area per linear foot. Miami Dade County approved 11-0602.01. 34 cfm at wind velocity of 3 mph, 95 cfm at wind velocity of 8 mph, 181 cfm at wind velocity of 15 mph. Online purchases are in packages of 10.