Cowl Ventilator

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, will not discolor. All collector boxes and vents are designed for intake or exhaust and meet ABYC H-2 cross sectional area requirements.

For use with 3" I.D. wire-supported ventilation hose. Features flexible hose flange that is screwed onto hose, then vent snaps onto the flange. Vent constructed of chrome-plated die-cast Perma-Plate® ZAMAK. Flange is non-corrosive plastic. Installs with #8 screws.

Installation Hole Size: 3-1/4" to 3-1/2"

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Orders are usually shipped the same day or the next business day depending on the time cut off. Review our shipping policies and size guides for answers to common questions.