RESUN Rising Heat - 50W Submersible Aquarium Immersion Heater  (Pack of 1, Black)

Keep your small aquarium at the perfect temperature with the Resun Rising Heat 40L Aquarium Heater. Designed for tanks up to 40 litres (about 10.5 gallons), this compact heater features a spiral heating element that distributes heat evenly, ensuring a stable and healthy environment for your aquatic life. An easy-to-use top-mounted adjustable temperature dial lets you set the perfect heat level, while the red indicator light signals when the heater is actively warming the tank. Its dual mounting options allow vertical or semi-horizontal placement, and two suction cups come included for secure installation. Built with safety in mind, the heater features a watertight cap and must be fully submerged during use.