AQQA Aquarium Sponge Filter for 5-20 Gallon

• ULTRA QUIET AIR-POWERED FILTRATION - This aquarium sponge filter operates with an external air pump (not included) to deliver whisper-quiet performance that won't disturb your fish. The gentle water flow is ideal for betta, shrimp, fry, and other delicate aquatic life. Please prepare a suitable air pump and 4mm air hose for your tank size.
• DUAL-STAGE CLEAN WATER SYSTEM - The vertical-pattern sponge traps debris, uneaten food, and fish waste for effective mechanical filtration. The built-in ceramic media ball chamber provides ample surface area for multi-stage filtration, keeping your aquarium water crystal clear.
• 3-IN-1 AQUARIUM FILTER - Combines filtration, water circulation, and aeration in one compact corner design with a built-in air stone. Creates gentle surface agitation to keep water circulating, while the small footprint saves valuable tank space.
• EASY MAINTENANCE WITH SPARE PARTS - Includes 2 replaceable sponges and 1 bag of washable ceramic media balls. Simply remove and rinse the sponge in tank water for quick cleaning. Swap out filter media anytime to match your tank needs — no complicated steps required.
• FITS 5-20 GALLON FRESHWATER AND SALTWATER TANKS - Perfect for breeding tanks, nano aquariums, shrimp tanks, and betta setups. Squeeze the sponge fully in tank water before first use so the filter sinks securely to the bottom.

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