The Fluval Q2 50-160 US Gal Double Air Output Ultra Quiet air pump is designed for aquariums with a tank capacity of 50-160 gallons. This model is from the reputable brand Fluval and is specifically designed for all water types. With its double air output and ultra quiet operation, it provides efficient and effective aeration for your fish tank while maintaining a peaceful environment for your aquatic pets. This air pump is a reliable and high-quality accessory for any aquarium setup.