Zoo Med - BettaThermâ„¢ Mini Size Betta Bowl Heater

Features:

• Mini Size Betta Bowl Heater!
• Now with Thermal Shut Off at 26°C
• Completely submersible (Bury under gravel).
• Increases water temperature 5-10°F over ambient room temperature.
• Fits most fish or Betta bowls.
• Can be used on both glass and acrylic tanks.