Fluval P10 10 Watt Submersible Aquarium Heater - Up to 3 Gallons

Key Features: Sleek and compact Submersible heater provides exceptional performance and unsurpassed reliability Shatterproof polymer construction Preset for 76-78 Degrees* - No adjustment neccessary Ideal for up to 3 US gal aquariums For fresh and saltwater tanks LED running lamp 6 foot cord Model Size (in) BFA Item # P10 - up to 3 gallons 1 x 1 x 5.5  HA10743 P25 - up to 6 gallons 1.25 x 1.125 x 6 HA10744 P50 - up to 15 gallons 1.57 x 1.57 x 6.1 HA10745 * The heater is designed to raise the temperature a total of 12 degrees, therefore any room temperature below 64-66 degrees should expect to move up a size of heater