3UL Triple Bank Universal Weather Louvre

Performance tested and classified in accordance with the New Zealand Standard AS/NZS 4740:2000. The Colt 3UL Louvre is a triple bank louver system providing the best combination of architectural, aerodynamic and rain defence properties of any louvre on the market. Colt Products and Systems 3UL louvres have two standard louvre profiles: Shallow (50mm pitch) and Deep (100mm pitch). Primarily used where the highest of rain defence is required and intake velocities are above 1m/s and up to 3.5m/s.