The Aquael 2 in 1 Ultra 150W Aquarium Heater is a high-quality submersible heater designed for freshwater aquariums with a tank capacity of 24-40 US gallons. Made by AQUAEL in Poland, this electronic heater is suitable for all water types and comes in a quantity of 1. The Ultra Heater 150 model offers reliable and efficient heating for a healthy environment for your fish and other aquatic pets. With its sleek design and advanced technology, this aquarium heater is a must-have for maintaining the proper temperature in your tank.