The sand trap louver is highly recommended for areas that are prone to sand storm. The frame and blades is extruded aluminum alloy and are polyester powder coated with white finish.
The frame has a typical wall thickness of 5/64” and blades have a thickness of 1/16”
Essential feature include the self-draining sand drain holes and sand chute to direct the collected sand outside. Standard finish is white color painted under electrostatic polyester powder coating finish. In order to increase the sand arresting process, an expanded sheet metal bird screen and aluminum filter can be attached to the interior face of louver.