Marinco 30A &amp; 50A Sealing Rings<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"> 30A 125V Threaded Sealing Ring </span></li><li><span class="a-list-item"> Threaded sealing for use with 20 and 30A weatherproof boots and sealing collar </span></li><li><span class="a-list-item"> Use with 30 amp systems </span></li><li><span class="a-list-item"> Designed to withstand the rigors of life at sea </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ovOY5VNlL.jpg" noproxy>