Innovative aquarium system from Oceanic Systems. Quality construction and ease of setup make the Oceanic BioCube Aquarium System a great choice for freshwater or reef hobbyists. Enhanced filtration system features dual filter intakes to draw aquarium water from the surface and mid-water for improved water circulation and filtration. Replaceable 2-stage filter cartridge provides easy-to-maintain mechanical and chemical filtration. Bio-ball trickle filter system improves gas exchange and provides efficient biological filtration. Viewing window for filtration water pump offers "at-a-glance" convenience to ensure optimum filter performance. UL-Listed submersible pumps. Combined with a comprehensive aquarium lighting system (Coralife compact fluorescent light fixture, Lunar Blue-Moon-Glow LEDs, and dual fans integrated into the hood), the BioCube System boasts convenience and reliable performance. Individual power cords allow timer operation for custom light schedules. Curved glass front corner affords clear, panoramic aquarium views for complete aquarium enjoyment. Also available, 29g BioCube HQI Aquarium System , for expanded stocking option including small polyp stony (SPS) coral species and photosynthetic clams. Upgrade your BioCube Size 14 and 29 with the BioCube Protein Skimmer . Easy-to-install, air-driven protein skimmer quietly and efficiently removes dissolved organic waste materials. Supplements BioCube filtration to help improve water quality and clarity. The compact protein skimmer fits inside the BioCube filtration compartment for discreet installation. Includes heavy-duty air pump, airflow valve, suction cups, and tubing. The BioCube Protein Skimmer measures 2-1/4" x 8-3/4" high. Upgrade your BioCube Aquarium Systems 14 and 29 with the easy-to-install Oceanic Mini UV Sterilizer . Kills free-floating green water algae, parasites and harmful bacteria for improve water clarity and quality. Sold separately. Oceanic BioCube Circulation Pump is the perfec