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Add to CartAttwood 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.
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.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Attwood Louvered Marine Vent Stainless Steel Attwood hull-mounted vents are designed to install by fastening as a complete unit from either inside or outside the hull. Ventilation hose (not...
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Attwood Marine 90° P-Trap Vent The P-traps have been tested and certified by a third party lab to meet the ABYC weathertight and watertight requirements and ensure no liquid water will reach a fuel...
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Attwood Marine Fuel Tank Vent - Straight Patented splash-resistant, corrosion-resistant polypropylene. Meets ABYC ventilation specifications. All Attwood fuel tank vents meet or exceed U.S. Coast...
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Attwood Marine Thermoplastic Resin Thru-Hull Fitting These thru-hulls are made with a durable, thermoplastic construction which prevents electrolysis. Caution: Thru-Hull connectors are designed for...
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