About This

• UPGRADED 3-STAGE FILTRATION--Small aquarium filter Combines black sponge, white sponge, and hollow quartz balls for superior debris removal and bio-friendly water. Includes an extra set of filter media—ready to use out of the box
• USB POWERED FOR ANYWHERE PLACEMENT-- Hang-on-Back fish tank filter runs on any USB port—power bank, laptop, or adapter (not included). Perfect for flexible placement in home or office setups
• ULTRA QUIET OPERATION--Nano fish tank filter noise-canceling motor runs below 35dB. Ideal for bedrooms, dorms, and quiet spaces without disturbing you or your fish
• ADJUSTABLE FLOW FOR DELICATE FISH-- aquarium filter easy-turn knob lets you switch between gentle currents for bettas and shrimp or higher flow for oxygenation. Great for nano tanks.(Note: A small amount of water may overflow at maximum flow rate. It is recommended to adjust the flow rate below maximum. Please purchase with caution if this is a concern.)
• COMPACT & SLIM DESIGN--Fits tanks from 3 to 5 gallons. Waterfall return boosts oxygen, while multi-layer media keeps water crystal clear with little maintenance