Content Container Drainable formed steel louvers protect air intake and exhaust openings in exterior walls by minimizing water penetration. Drain gutters are located on every blade to capture water which is dispersed to the jambs and drained out of the sill. Models 1704D - 4” (102) Deep • Drainable Blade 1706D - 6” (152) Deep • Drainable Blade Submittals All Submittals Combined Individual Submittals 1704D • Formed Steel Louvers • 4" (102) Deep • Drainable 1706D • Formed Steel Louvers • 6" (152) Deep • Drainable Control Sequence Finish Louver Finishes & Color Chart IOM 1700 • Stationary and Operable • Formed Louvers Specifications Performance Data Catalog Literature