Airolite Sand Louver ASL401 is designed to protect air intake and exhaust openings in building exterior walls from wind-driven sand. The design incorporates vertical sightproof blades to separate sand from the air stream which is then channeled out at the sloped sill.
|Percent Free Area||27% (4 ft. x 4 ft.)|
|Louver Depth||4” (101.6 mm)|
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