Blue Lightning Rod 44 in. Long Anode Rod for Water Heater, Hex Plug, Pack of 6

This anode rod is for residential water heaters. It is made of magnesium. Its flexible design makes it easy to install. It can be installed where there is no more than 13 in. of clearance. Regular checking and changing of the anode rod can significantly extend the life of the steel tank.|Magnesium|Flexible construction|Stainless steel couplers|Braided stainless steel wire|Residential size|3/4 in. Plug Thread|3/4 in. Dia anode rod|44 in. long|Installs in only 13 in. clearance|Helps prevent tank deterioration