Waterproof louver vents and return louver vents have similar structures and the same performance. Their blades are designed in a unique shape to prevent water from splashing into the interior, and are generally used as ventilation openings installed on exterior walls.

characteristic:

1. The fixed blades are designed at a 45 ° angle and have a water blocking function.

2. It can be made into reinforced buried or reinforced type.

3. The openable blade and outer frame are in the form of a valve, which is conducive to installation and matching with the filter.

Applicable locations:

Generally used as decoration for return air vents, elevators, pipeline openings, and maintenance ports in offices or hotels.