Fluval M Submersible Heater 50w, 100w, 150w, 200w, 300w

50-Watt heater designed for aquariums up to 15 gallons 100-Watt heater designed for aquariums up to 30 gallons 150-Watt heater designed for aquariums up to 45 gallons 200-Watt heater designed for aquariums up to 65 gallons 300-Watt heater designed for aquariums up to 80 gallons Made in Europe using superior components and construction Durable, mirrored finish seamlessly blends heater into surroundings by reflecting colors of the aquarium Computer-calibrated thermostat Easy-to-adjust temperature control dial Sleek and compact design For use in freshwater and saltwater aquariums