Fluval P10 Submersible Aquarium Heater, 10 W, up to 3 US Gal (10 L)

P Series heaters are pre-set to maintain a consistent temperature of 76-78 °F (24-26 °C) in both fresh and saltwater nano aquariums. Features & details Strong shatterproof polymer construction protect tank and inhabitants from damage Preset temperate requires no adjustment Waterproof, fully submersible design allows easy positioning inside aquarium LED running lamp illuminates to indicate when product is in use For use in freshwater and saltwater aquariums