Aquarium Sponge Filter BL-A02 Air-Powered Filtration – Uses gentle air bubbles to circulate and oxygenate water, keeping your tank healthy.�� Biological Filtration – High-quality sponge provides an ideal surface for beneficial bacteria to grow, breaking down harmful waste.�� Quiet & Gentle Operation – Perfect for small fish, bettas, shrimp, and fry without creating strong currents.�� Compact & Space-Saving – Fits neatly in small aquariums without taking up valuable swimming space.�� Easy to Use & Clean – Simple setup with the included 2M airline tube; sponge can be rinsed and reused.�� Freshwater & Shrimp Tank Friendly – Ideal for nano tanks, breeding tanks, and planted aquariums.❗ Note: Air pump not included. �� Specifications: Model: BL-A02 aterial: High-Density Sponge & Plastic Base Included: Sponge filter Function: Biological filtration & oxygenation Tank Size: Suitable for small aquariums (nano, betta, shrimp tanks) Application: Freshwater aquariums Power Source: Air pump (sold separately) IF ANY DOUBTS FEEL FREE TO CONTACT US  ON YOTUBE  INSTAGRAM CONTACT US