This air pump from the brand Tétra is perfect for your fresh water aquariums with a capacity of 20-40 gallons. It is specifically designed to provide oxygen to your aquatic pets and maintain a healthy environment. The model of this air pump is Tetra Whisper and it has been manufactured in China. With a noise-free operation, this oxygen air pump is ideal for fish tanks. It is a non-UL certified product and is suitable for use in aquarium filters. Get your hands on this product and keep your fish happy and healthy!