【prominence quality】RV water heater anode rod, compatible with all models Suburban (D, DE, DEL, DEM models)compatible with all Atwood models. anode rod for hot Water Heater. 【material】anode rod uses magnesium as the raw material, After installation, the magnesium rod can protect the water tanks of the water heater, prevent corrosion. 【 Parameter 】Magnesium anode rod with a length of 9.25 "and thread specification of 3/4" NPT. 【Easy to install】 which usually takes only a few minutes to complete，Package includes: 4 magnesium anode rods and 4 roll of PTFE tape，Use a 1-1/16 inch socket to install (socket not included) RV Water Heater Anode Rod -4-Pack , Compatible with Suburban RV water heater，Magnesium Anode Rod for hot water heater ， 9.25 " Length ¾" NPT Thread