Easy-to-use and available in a wide range of sizes, the Tetra HT Submersible Heaters feature electronic thermostats that adjust heat output to keep water at a stable 78 degrees Fahrenheit. Red and green indicator lights show when the heater is heating or on standby. For added safety, Tetra HT Submersible Heaters shut off in the case of an electrical short for safety.
Sizes
HT10 (50 watt) - 2-10 gal HT30 (100 watt) - 10-30 gal HT40 (150 watt) - 30-40 gal HT55 (200 watt) - 40-55 gal
