A louver is a ventilation product that allows air to pass through it while keeping out unwanted elements such as water, dirt, and debris. A number of fixed or operable blades mounted in a frame can provide this functionality. The basic considerations for selecting louvers are free area, water penetration and resistance to airflow (pressure loss). Once these concepts are understood, they can be used to properly apply a louver.
COSMOS make whether resistance louver also called as drainable louver. Model WRL Is high performance drainable blade type, provide excellent weather protection with superior air performance. Because of its pleasing aesthetics, it compliment to any structure’s exterior styling.
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