Aqua One Nano Preset Heater - 50W Compact Aquarium Heater for Small Fish Tanks (5-10 Gallons) | Automatic Temperature Control | Ideal for Betta Fish, Shrimp & Nano Tanks | Perfect for Home & Office Aquariums

Maintaining correct water temperature is an essential requirement for keeping fish happy and healthy, especially in tropical aquariums and even for Betta Fish!

Aqua one makes it easy to maintain the correct temperature with the Nano Preset Heater! Providing precise preset temperature and supreme durability, you will be on your way to professional fish keeping in no time.

Features & Benefits:

• Preset thermostat set to 25°C + or -1
• Easy set up and maintenance
• Available in different wattage to suit aquarium size
• Durable glass heater

Available in 3 sizes

• 15040 - 10w, 12cm
• 15041 - 25w, 18cm
• 15042 - 50w, 18cm