FITS: all including: for , , , , State, and many more that also use the standard 3/4 inch NPT Anode Rod Connection. EXTEND LIFE OF YOUR WATER HEATER: Magnesium anode rod gets corroded faster than tank of water heater. Usually you should check magnesium anode rod 2 years. Replacing your anode rod at regular intervals may increase the life of your water heater, saving you money, time and the inconvenience of having to replace your water heater. ADVANTAGES OF MAGNESIUM ANODE RODS: Magnesium anode rods a stronger current than Aluminum rods making more effective at keeping the water tank from corroding. Anode rod is expected to about two years of corrosion protection. Size: Length: 44 inches/ 1100mm Diameter: 0.8inch /21mm, 3/4inch NPT thread colour: silver Material: Metal Package Contents: 1 x Magnesium Anode Rod 1 x 1-1/16inch Hex Socket Tool 1 x Sealing Tape Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.