Enhance the quality of your tropical fish aquarium with the Heatpaxx Aqua Pack. This tropical fish shipping heat pack is designed to provide a comfortable and healthy environment for your aquatic pets. The pack comes in a quantity of two and has a total of 40 hours of heating capacity. Ideal for cleaning and maintenance, this heat pack is a must-have for any fish and aquarium enthusiast. Its brand, Heatpaxx, is known for producing high-quality aquatic products. The unit type is a unit and the unit quantity is two. This heat pack is perfect for those who want to provide their fish with a comfortable and healthy environment without compromising on quality.