Feature 1Applicable Models: Water heater anode rod is for almost all water heaters with 3/4in NPT Anode Rod Connection, replacement for A.O. smith, and replacement for State. 2Main Function: Anode rods act as a powerful filter for the water stored in the heater, protecting your water heater from damage and help to prolong the life of the water heater. 3Reliable and Safe: Crafted from high grade magnesium alloy, the hot water heater anode rod exhibits outstanding durability and is not potentially dangerous and safer for human body. 4Advanced Material: Hot water heater anode rod is made of premium material, which is high hardness, reliable, safe, sturdy and durable and has a long service life. 5Easy Installation: The magnesium anode rod is designed to be easy to install, so you can easily and quickly install it, saving time and money on installation costs.Item Type:AnodeRodMaterial: Magnesium alloy + aluminumMagnesium Rod Size: Approx. 21 x1100mm/0.8x43.3in (Diameter x Length)Magnesium Rod Length: 43 inchesThread Size: 3/4in NPTFitment:For Almost all water heaters with 3/4in NPT Anode Rod ConnectionReplacementfor A.O. smithReplacementfor RheemReplacementfor RelianceReplacementfor RichmondReplacementfor StateReplacementfor GE .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xAnodeRod1 x Tape