Aquael Flow In-Line Heater 500w Koi food Compatible with any 4" filter

Compatible with any 4" filter sock chamber

Functional Cabinet: Sturdy

With ultra-clear glass

Reef Crest Mode - Simulating currents found around high energy reefs

millions of times:

Aquael Flow In-Line Heater 500w Koi food Compatible with any 4" filterFlow Heater is the first one featuring a Smart Heating System (SHS) a smartpower adjustment technology. The microprocessor adjusts the heating power to maintain the desired temperature in the aquarium. This translates into the smooth operation of the heater without temperature surges in the aquarium and, by the same token, without stressing its inhabitants. With the electronic thermostat, the LED display shows not only the programmed but also the