Suburban 232767 Water Heater Anode Rod<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Magnesium anode rod</li><li>For use in RV water heaters</li><li>Absorbs the corrosive action caused by hot water</li><li>Extends water heater tank life</li><li>Anode rods should be replaced regularly， keep a spare in your RV</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31cBK5hk9xL.jpg" noproxy>