Attwood hull-mounted vents are designed to install by fastening as a complete unit from either inside or outside the hull.

Ventilation hose (not included) twists into the bottom of the box to form a raised water barrier.

Plastic vents are corrosion-resistant and will not discolor.

All collector boxes and vents are designed for intake or exhaust and meet ABYC H-2 cross sectional area requirements.

Requires collector box 1487A for 3" system, or 1487B for 4" system.

You can add it in the menu above

All-welded #304 Stainless Steel construction with polished finish.

Install with #8 fasteners.

UPC:022697148858