Ultra-Quiet Operation: Driven by a thin piezoelectric ceramic plate, the fish tank air pump delivers gentle aeration at just 30 dB. Nearly as silent as a whisper! Perfect for bedrooms, offices, studies, and other spaces where peace matters Mechanical & Biological Filtration: The sponge in the filter effectively catches floating particles while the built-in bio balls clear away harmful elements with ease. Such dual-action cleaning greatly improves water quality and oxygen levels in your tank Mini but Efficient: Size: 2" L x 2" W x 0.7" H; Max Air Flow Rate: 7.1 GPH (27 L/h); Power: 1.3 W. The aquarium air pump provides optimal oxygenation for fish tanks up to 15 gallons, creating a thriving underwater paradise for fish and plants 2 Mounting Methods: Enjoy a quick, secure setup on fish tanks of any shape! Mount the mini air pump on the tank edge using the black clip, or attach it to the outside tank wall with the double-sided suction cup. No extra tools required Complete Oxygen Aerator Kit: Everything you need is included – an air stone for fine bubbles, a check valve for safety (Please note the installation direction), air tubing for smooth oxygenation, and 3 extra suction cups for filter or air tubing fixation. Just plug in for instant aquarium care. The arrowhead is connected to the bubble stone, and the other end is connected to the pump. Pawfly Nano Aquarium Air Pump, Ultra Quiet Mini Bubbler Pump for 1-15 Gallon fish Tank and Nano Aquariums, 1.3 W Portable Oxygen Aerator with Mini Sponge filter, Air Hose, Airstone & Check Valve, 450 ml/m