Tetra HT40 150 Watt Submersible Heater 100 gpd 4 Gallons Suitable for Max

4 Gallons Suitable for Max

Guaranteed Analysis: Crude Protein 42

Easy to place

these materials assist in the removal of light-blocking impurities

Filters out phosphates (PO4) and silicates (SIO2)

Tetra HT40 150 Watt Submersible Heater 100 gpd 4 Gallons Suitable for MaxTetra's HT line of heaters are easy to use and work in aquariums ranging from 2 to 55 gallons. The heaters have electronic thermostats that automatically adjust heat output to keep water at a constant 78 degrees F. All HT heaters have indicator lights to let you know when the heater is on, heating the aquarium. All Tetra HT heaters have red green indicator lights to let you know when the heater is heating(red) or on standby(green). The low voltage