17 9/16 x 2 3/4" high x 11/16" wide.
Clean, contemporary, louver design. Corrosion-resistant 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 screws.
Sized for installation even on highly-contoured decks. Attwood hull-mounted vents are designed to install by fastening as a complete unit from either inside or outside the hull.
Black is 1494A5 below
Cut out: 2 x 15-3/8
E-Mail sales@shipstore.com with any questions.