All Eheim Professionel II Thermofilters offer the desired constant temperature, due to their integrated electronically controlled heaters.

   * Heater element protected at the base of the filter
   * Temperature sensor inside the tank
   * Easy setting of the water temperature
   * Current value shown on display
   * Optional location of the operating panel
   * Modular control for Eheim Professionel hood available in exchange
   * A version resistant to fresh water is available upon request
   * 3 years warranty

Eheim Professionel II Thermofilter 2128 (Marine Water):

   * Aquarium Size: 158 gal
   * Pump Output: 277 gph
   * Filter Circulation: 198 gph
   * Delivery Head: 6`7"
   * Filter Volume: 1.9 gal
   * Power Consumption: 25 W
   * Heating Power: 210 W
   * Filter Height: 17.9"
   * Weight: 10.35 lbs