Sand Louvers
Sand Louvers

Vertical sightproof blades separate sand from the airstream and channels it out via the sloped sill.

Sand Louvers

Vertical sightproof blades separate sand from the airstream and channels it out via the sloped sill.

Sand Louvers
OVERVIEW
#
FSL-401

Sand louvers are tested per ASHRAE Standard method 52.1 – 1992 (previously ASHRAE Standard 52-76) by a third party independent lab. Model FSL-401 protects air intake and exhaust openings in exterior walls from wind-driven sand. The design incorporates overlapping vertical sightproof blades that aid in collecting and channeling sand out of the airstream to the sloped louver sill.

  • 4-inch depth
  • 27% free area (4 ft. x 4 ft.)
  • 99% sand removal efficiency up to 300 fpm free area intake velocity
Certifications:

AMCA 500-L Air Performance