Metallic rod installed inside the tank to protect against corrosion
Aluminum
AP12938 Features: -Metallic rod installed inside the tank to protect it against corrosion. -Aluminum construction. -Made in the USA. Finish: -White. Country of Manufacture: -United States. Dimensions: Overall Height - Top to Bottom: -42". Overall Width - Side to Side: -0.625". Overall Depth - Front to Back: -0.625".