Taylor Made Products 11982 Boat Vent II Boat Cover Ventilation<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Provides proper ventilation to prevent mold and mildew damge to boat's interior </span></li><li><span class="a-list-item"> Installs quickly and easily， with no screws or fasteners </span></li><li><span class="a-list-item"> Venting area provides for greater volume of exhaust air while closing the top to bottom gap - keeping water out </span></li><li><span class="a-list-item"> Manufactured from a superior grade poly carbonate blend material for strength and UV resistance </span></li><li><span class="a-list-item"> Accommodates either 3/4 inch or 7/8 inch support poles </span></li><li><span class="a-list-item"> Support vents sold indivudally， support pole not included </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31ShGKrcpJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/412stK%2BMF-L.jpg" noproxy>