Return grilles L-OL-4 OB LAMINAIRE
For sizes and different finishes, please consult factory
When finishing up is "S" (another color), required reference number paint manufacturer or a color show.
Grid type louver with damper equal or less 24 "x 24" use damper fins opposite L-OB
Grid greater than 24 "x 24" grid use industrial damper L-5103 or L-5102