Penn-Plax shorefins™ Betta Heater - 10W - USB Powered

The Penn-Plax Shorefins™ 10W USB Betta Heater is a compact, submersible solution designed to keep small aquariums warm and stable. Ideal for tanks up to 5 gallons, it maintains a preset temperature of approximately 78°F (25.5°C), perfect for bettas and other tropical fish. Its USB-powered design offers convenient and energy-efficient operation, while the fully submersible construction ensures safe use in freshwater environments. Easy to install and reliable, this heater helps create a comfortable, consistent habitat for your fish in nano and desktop aquariums.