Hydor 7.5w Slim Heater for Bettas and Bowls, 2 to 5 gal

Betta slim heater helps guarantee your fish a healthy life by promoting the ideal water temperature. Specially designed with the innovative positive thermal coefficient element to heat the temperature of your bowl, aquarium or terrarium an average of 5 to 10-degree warmer than room temperature.

• Helps guarantee your fish a healthy life by promoting the ideal water temperature
• Plug and play
• No temperature to set
• Can be positioned under gravel
• 90-Degree Angle for perfect betta bowl fit