DESC: Marineland Eclipse Aquarium System: 12 Gallon Black #047431903128 Unique combinations of beauty, precision and 3-stage BIO- Wheel filtration efficiency, the Eclipse Aquarium Systems are fascinating showpieces for home or office or anywhere.Each system includes color-enhancing fluorescent lighting and a seamless, injection-molded aquarium with 360 degrees of gently curved, panoramic viewing area. Each kit includes Marineland Labs BIO-Blend Tropical Fish Food, BIO-Safe Tap Water Conditioner, and BIO-Coat Stress Defense. Theres an informative beginners fishkeeping guide, too. And the new System Twelve Kit features an added plus...special compact fluorescent lighting that is 15% brighter than conventional tubing, yet consumes less energy.Eclipse Aquarium Systems easily accommodate accessories such as heaters and airline tubing. There are no hoses, no cumbersome filter boxes, no noisy air pumps. And because the Eclipse Rite-Size Filter Cartridge is inside the top mounted frame, rear space r