The Aquatop Venti Professional Showcase Aquarium is an all-in-one 1.6-gallon Glass showpiece. Its air driven filter provides maximum biological filtration while optimizing mechanical and chemical filtration with a specially designed carbon cartridge. This easy to maintain yet elegant system makes a statement for the hobbyist who strives to provide the very best environment for small aquatic creatures from shrimp and crustaceans to fancy guppies and bettas. Air driven filter Great for multiple kinds of fish Easy to maintain