Cube design is clear and stylish3-way all-in-one Bio-Fil filter Lighter, brighter, safer, and stronger than glass Choose clear, blue, or black acrylic Available in 10, 25, and 60 gallon sizes Submerged filters run silently For fresh or salt water fish. This cube sparkles like a diamond, but costs a lot less. Light catches and refracts from the crystal clear sides of the Uniquarium Cube, creating a living work of art to show off your fresh or salt water fish. Get a big one, or one small enough for your desktop. Beginners love the everything-included simplicity, while pros appreciate the high-capacity Bio-Fil 3-way filter, Rio high-flow powerhead and more, maintaining perfect environmental peace without ugly tubes, pumps, or hoses. Choose your size and favorite tint color. Then just add water. Size: 10-Gal (12W x 12D x 16H in.). Color: Sapphire Blue.