Attwood 13451 Marine Hull Vent Air Collector Box – Boat Ventilation AccessoryManufacturer: ATTWOOD MARI Availability: 58 in stockSKU: A7J1345-1Attwood 13451 Marine Hull Vent Air Collector Box – Boat Ventilation Accessory $26.46 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 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 plastic louvered vent, with two 3 Inch I.D. wire-supported ventilation hoses. Box fastens to vent with screws or pop rivets, then vent fastens to the deck. Corrosion-resistant plastic.For Use With 1495 Series Louvered Vents4 Inch DepthBlackPlasticWith Two 3 Inch Inside Diameter Wire Supported Ventilation HosesAttwood hull-mounted vents are designed to install by fastening as a complete unit from either inside or outside the hull. Ventilation hose twists into the bottom of the box to form a raised water barrier. Plastic vents are corrosion-resistant,