Rockford PM210S4B 10-Inch Marine Subwoofer， Black<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>True Marine Grade compliance</li><li>100% UV stable Centrex injection molded plastic parts</li><li>Injection molded mineral filled polypropylene cone body with UV inhibitors</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51vSG-0ZUML.jpg" noproxy>