Attwood Catalog 2025

VENTILATION 41

attwoodmarine.com

Cowl Ventilator • For use with 3" I.D. wire-supported ventilation hose. • Flexible hose flange is screwed onto hose, then vent snaps onto the flange. Flange is non-corrosive plastic. • Vent constructed of chrome-plated zinc. • Installs with #8 fasteners. • Dimensions: 5-5/16” W x 6” L x 2-1/4” H (neck extends 1" below deck) Installation Hole Size OEM Part # Part # 3-1/4" x 3-12" 1364A1 1364A3

Twist-On Hose Flange • For use with 3" I.D. wire-supported ventilation hose.

• Hose installs from topside by turning the flange into the hose spiral, passing the hose through the deck hole, then mounting ventilator. No hose clamps needed. • Corrosion-resistant plastic. • Four holes for required #10 fasteners.

Installation Hole Size

OEM Part # Part # 1405-1 1405-3

Color

Black 3.5"

66400

Clamshell Vent Provides a seal and splash protection for vent holes, wire and hose openings. • Sizes to fit most common applications. • Durable 300 series stainless steel construction. • Three holes for required #6 fasteners. Vent Width Size Max Hole Size Hose/Wire Max Size OEM

Storage Vent Use to vent lockers and storage areas. Provides over six square inches of ventilation opening. • Will not accept a ventilation hose. • Corrosion-resistant plastic. • Two holes for required #6 fasteners.

Flange Dia.

Installation Hole Size

OEM Part # Part #

Height Neck

Color Black

Part # Part # 66399-1 66399-3 66400-1 66400-3

1-3/16" 1-9/16" L x 1/2" H 1" 2-3/16" 2-1/4" L x 9/16" H 1-1/2"

7/16" 9/16"

1353-1

1-1/16" 5/8" 3-3/16" 3-1/16" to 3-1/8"

CA WARNING: Handling recreational marine vessel parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vessel outdoors or in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/marine-vessel-parts.

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