Specifications: Dimensions: 4.3" x 3.5" x 12" Water Lever Required: Approx. 8.86" - 9.65" Air Output: Approx. 150 L/H Energy Consumption: 5W Tank Size: 15-65 gallons Features: Surface intake with bacteria film removal. Skimmer cup, 0.2l (.05 USgal.) volume, also accommodates the foam reactor, easy to remove. Attachment with a patented magnet holder for a glass thickness of up to 1/2". Intermediate chamber with patented anti-overfoaming system. TUNZE® Foamer 9004.040, high air output and low energy consumption (4W). Bubble-free outgoing water. New “Comline® Design”: comfortable use, elegant and unobtrusive in the aquarium. Air flow regulation and silencer for an exceptionally quiet operation. Made in Germany, 2-year manufacturer`s warranty