Deep Blue Professional Bettastik Sub Heater for Aquarium Mini 7.5-watt

Deep Blue Professional BettaStik Mini Submersible Heater 7.5W The perfect mini heater for betta bowls. Fully submersible, place anywhere in your aquarium. Slim, compact footprint conceals easily behind ornaments & decorations. Ideal for desktop systems. Preprogrammed, no adjustments needed. Freshwater & marine aquaria safe. For up to 2.5 gallon tanks and bowls