Attwood S.S. Louvered Vent
All-welded 304 stainless steel construction with polished finish. Install with #8 screws. Requires collector box 1487A for 3" system, or 1487B for 4" system. Attwood hull-mounted vents are designed to install by fastening as a complete unit from either inside or outside the hull.11-5/16"L x 4-3/8"H x 3/4"D.
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