Perforated

Repa Market 21.5″ x 21.5″ Inch 45 Degree Square Aluminum Cell Screen Diffuser – Supply or Exhaust Ceiling Ventilation System – High Air Flow Perforated Duct Cover for Home, Office, Warehouse 24″ x 24″

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Repa Market 21.5″ x 21.5″ Inch 45 Degree Square Aluminum Cell Screen Diffuser – Supply or Exhaust Ceiling Ventilation System – High Air Flow Perforated Duct Cover for Home, Office, Warehouse 24″ x 24″
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