Classic rectangular shape Mechanical chemical and biological all-in-one filter included Lighter brighter safer and stronger than glass Choose from a variety of acrylic colors Available in a variety of size options Includes high-capacity Bio-Fil filter Submerged filters run silently For fresh or salt water fish Stand and Canopy sold seperatly. The classic rectangular aquarium shows off fish best because flat panes don't distort. Beginners choose the Uniquarium Rectangle Aquarium because it comes with everything they need: high-capacity Bio-Fil filter silent submersible high-capacity pump and more. Pros choose it because they know that's impressive gear maintaining perfect balance with no tubes pumps or hoses. Choose the size and tint to suit your individual taste. Sizes range from 20 to 300 gallons. Size: 29-Gal (30W x 12D x 18H in.). Color: Black.