Zoo Med BettaTherm Beta Bowl Aquarium Heater

Mini size Betta Bowl Heater. Convenient small round size heater. Fits most fish or Betta Bowls. Completely submersible. Can be used in glass or acrylic tanks and bowls. Increases water temperature 5-10?F over ambiant room temperature.
Compatible Aquarium Size: 3 Gallons , Temperature Tracking Range Max: 10 Degrees Fahrenheit , Temperature Tracking Range Min: 5 Degrees Fahrenheit , Wattage: 7.5 Watts

Mounting Direction: Vertical"
Product Gross Weight: 3.5000 lb, Product Net Weight: 3.5000 lb, Product Height: 1.50 in, Product Length: 9.00 in, Product Width: 5.50 in