Photo 1 of OASE BioStyle Thermo Power Filter with Built-in Heater for Aquariums up to 30 gallons, Multi-Stage Filtration, Easy Maintenance, Quiet Hang on Back Filter, White

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Photo 1 of OASE BioStyle Thermo Power Filter with Built-in Heater for Aquariums up to 30 gallons, Multi-Stage Filtration, Easy Maintenance, Quiet Hang on Back Filter, WhitePhoto 2 of OASE BioStyle Thermo Power Filter with Built-in Heater for Aquariums up to 30 gallons, Multi-Stage Filtration, Easy Maintenance, Quiet Hang on Back Filter, White