Duraflo 60RVA20US Ridge Roll Vent, 240 in L, 10-1/2 in W, Fiber, Black, Roof Installation

Installed along the ridge of a sloped, shingled roof to ventilate hot, moist attic air as a part of a balanced ventilation system. The vent will be shingled over with cap shingles after installation. Non-woven, filter mesh material sold in a roll.