Oase HeatUp 400W

The HeatUp 400 works well as a stand alone heater but can also be retrofitted into BioMaster 850 Canister Filter Details: Patented** control system : allows precise temperature adjustment (+/- 3°C) Sensitive: Consistent temperature level thanks to patented bimetal technology Function control: Heating function indicated by activated indicator light Underwater: Ideal for submerged use Robust: High-quality workmanship for continuous use Easy installation: Bracket included Safe: With temperature-resistant quartz glass