Flexible water heater anode rod 42in 3/4in NPT for Rheem universal fit 1、Application: Fit for almost all water heaters with 3/4in NPT Anode Rod Connection. Such as, suitable for A.O. smith, for Rheem, for Reliance, for Richmond, for State, for GE. 2、Magnesium Alloy Material: Water heater anode rod is made from magnesium alloy, providing superior resistance to rust and ensuring its long lasting performance. 3、Replacement Anode Rod: The new anode rod helps maintain the water tank's good condition, ultimately extending its lifespan and ensuring optimal performance. 4、Reliable Protection: By effectively preventing rust, the anode rod offers reliable protection for your water heater, ensures consistent and efficient hot water supply. 5、Easy to Install: The water heater anode rod is easy to install and replace. With its simple installation process, you can easily maintain your water heater's performance.