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.

Tatem Marine LLC. Shipping:

All products are packaged and shipped within 24 hours of the order being received during normal business days Monday - Friday Eastern Standard Time. We ship our products throughout the United States and Internationally. We use UPS and USPS for domestic and International Shipping.

Most products arrive within 2-5 business days in the lower 48 of the United States and express shipping can be added for express 2 day shipping in the lower 48 of the United States.

Shipping costs and delivery times are calculated during checkout based on your shipping location. You can also track your order via the shipping tracking number that is included with your order.

All other shipping locations will be shipped via USPS International shipping and arrive based on your selected international USPS shipping option.

Boat Gear Depot offers 2 easy flat rate shipping options for all US orders. Our best option is our "2 Day Promo" option for a flat rate of just $21.95 for our fastest delivery. For regular orders use our "Best Way" option for a flat rate of just $11.95 with delivery between 3-7 Business Days anywhere in the lower 48 United States.