Camco 11563 Aluminum Anode Rod<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Extends the life of a water heater by attracting corrosive elements in the water</li><li>Aluminum anode rod</li><li>5/8"diameter x 9.5" long</li><li>Provides corrosion protection</li><li>3/4" NPT fits Suburban/Mor-Flo water heaters</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31%2B-QLdelWL.jpg" noproxy>