Small Aquarium Sponge Filter, Small Fish Tank Filter & Mini Submersible Fish Filter Built-in Air Bubble Stone and Bio Sponge for Fish Tanks up to 20-40 Gallon (Air Pump Not Included)

Features

• Efficient 3-Stage Filtration SystemCombines mechanical and biological filtration to remove debris, toxins, and odors, ensuring crystal-clear water and a healthy habitat for fish in tanks up to 20-40 gallons.
• Ultra-Quiet OperationFeatures a low-noise water pump designed for silent performance (below 40 dB), ideal for bedrooms, offices, or any space requiring peaceful ambiance,required air pump: < 5 W (Air pumps are not included in the package).
• Small Aquarium Filter4.1" W x 2.1" H. Fit for fish tanks up to 20-40 gallons. Suitable for the breeding and feeding of various ornamental fish, tortoise or shrimp.
• Space-Saving DesignThat maximizes tank space while providing powerful, adjustable water flow for gentle circulation.
• Easy to CleanThe sponge filter can be easily detached for cleaning. Rinse the sponge every 2 to 3 weeks with aquarium water. Replace the white sponge every 2-4 months