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Essential for attaching the ribbed hosing to your Fluval filter
When used with the Fluval FX Gravel Vac
Hot spots are not a problem with a completely encapsulated full coverage nichrome heating element that distributes heat evenly
Extensive 5-stage filter produces clean
Eheim Thermocontrol e 25W Heater 23cm (20 - 25L) Bottom Feeder Essential for attaching the ribbedWith the EHEIM thermocontrol e heating element your fish get the right temperature even more precisely in every aquarium. Thermocontrol e 25: 25 watt, 23cm high, for aquariums 20 25L. The obvious ideas are often the best. This also applies to the aquarium heating element. It is simply hung in the water and heats it up. The principle is the same as it was decades ago. But in the meantime the EHEIM controller heater has become an ultra modern thermal
