The CE61 Combination louver has a 6" frame and a 37-1/2 degree fixed blade angle. It features:
- 43% free area.
- Low water penetration and low pressure drop.
- Ideal suitablility for air intake and exhaust applications that require tight shut off.
- Adjustable rear blades that provide desired shut off in the same 6" deep frame normally required by a louver alone.
- Architecturally styled, hidden mullions for attractive appearance.