The Penn Plax Radius 3.4 Gallon Aquarium Kit includes a 3.4 gallon tank, interna The Penn Plax Radius 3.4 Gallon Aquarium Kit includes a 3.4 gallon tank, internal Cascade filter, LED light and a hinge-style plastic lid to make setup as easy as possible. This contemporary glass tank features a unique bent design with frameless construction and is made with the highest clarity glass, which beautifully reflects the light and colors within the aquarium. For even more strength and durability, this aquarium utilizes a 3-piece construction with seamless rounded front corners. The high quality internal cascade filter enclosed in the aquarium kit keeps your fish tank clean and healthy with biological, mechanical, and chemical filtration. The LED light can be positioned anywhere on the back of the fish aquarium and offers a crisp white light to illuminate your tank. The LED light spotlights your fish and any decorative items placed in the aquarium.