Attwood Marine Boat Vent Cover, Part #664003 – Durable Marine Ventilation AccessoryManufacturer: ATTWOOD MARI Availability: 10 in stockSKU: A7J66400-3Attwood Marine Boat Vent Cover, Part #664003 – Durable Marine Ventilation Accessory $18.15 Qty: Add to cart Ship toSelect countryUnited States of America *Other *Shipping MethodNameEstimated DeliveryPriceNo shipping optionsApply Custom wishlist OKAdd to wishlistAdd to compare listEmail a friend1: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.Clam Shell Vent2-1/4 Inch Length x 2-3/16 Inch Width x 9/16 Inch HeightStainless SteelSilverWith #6 FastenersSingleAttwood 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 corro