■ Free Area: 51% XA Design Load: ICC 500 XAV-545 FEMA GRILLE - BEST-IN-CLASS PERFORMANCE AMCA CERTIFIED/UL CLASSIFIED WINDSTORM RATED ASSEMBLY FEMA GRILLE ■ Water Penetration: 680 fpm ■ Design Load: 300 psf ■ ICC 500 (2020) er Penetr tion: THE PREFERRED PRODUCT SOLUTION FOR DATA CENTERS BEST-IN-CLASS AIR PERFORMANCE CD-57/58 - INDUSTRIAL CONTROL DAMPERS ■ Class 1A Leakage Certifi ed ■ Fully Symmetrical Aluminum Airfoil Blades (Parallel or Opposed) ■ AMCA Certifi ed Air Performance and Air Leakage SEVERE-DUTY LOUVER ECV-545 5 " VERTICAL BLADE ■ Free Area: 55% ■ AMCA Certifi ed for Water Penetration, Air Performance and Wind-Driven Rain ■ AMCA 540 and 550 Listed ■ Miami-Dade Model Available BEST-IN-CLASS HIGH FREE AREA EFD-635 6 " DRAINABLE LOUVER ■ Free Area: 61% ■ AMCA Certifi ed for Water Penetration and Air Performance ■ Miami-Dade Model Available Product Application Data Centers BE IN CLASS ERFORMANCE AMC CERTIFIED UL CLASSIFIED WINDS ORM RATED SSEMBL ee Area: www.pottorff.comhttp://www.pottorff.com