Description

Clean, contemporary, louver design. Corrosion-resistant, paintable ABS plastic. For 3″ or 4″ I.D. ventilation system. Requires 1341 collector box for 3″ system, or 1342 for 4″ system. Install with #8 fasteners. Sized for installation even on highly contoured decks. Measures 2-3/4″ wide, 17-9/16″ long, 11/16″ high.