About Master Flow™ Roof Louver IR61 Low-Profile Plastic Slant‑Back

This low-profile plastic slant-back roof vent is manufactured with UV-resistant polymer to help maintain its color.  Its low-profile design provides a sleek finished look while delivering 37 sq. in. (23,871 mm2) of Net Free Area to help exhaust heat and moisture from the attic.  Available in four popular colors.

Note: Always have a balanced ventilation system. In no case should the amount of exhaust ventilation exceed the amount of intake ventilation.