Pawfly Aquarium Nano Bio Sponge Filter Quiet Betta Fry Shrimp Foam Filter Kit with Airline Tubing for Small Fish Tank up to 3 Gallon, 3 Pack

Fine Sponge Filtration: It provides mechanical and biological filtration and traps debris or waste without sucking up your fish, keeping a crystal clear water tank. Mini Size: It measures 1.5" D x 3" H. Fit for 1 - 3 gallon small tanks. Suitable for the breeding and feeding of crystal shrimp, fish fry and various tropical fish. Easy to Clean: The filter can be easily detached for cleaning the dirt. Rinse it every 2 -4 weeks with aquarium water ONLY. Avoid washing it in tap water! Quiet Aeration: Air powered and causing no disturbance to your daily life. Press the sponge into the tank to fully absorb tank water to make it sink to the bottom. Accessories: Include a standard 3-foot airline tubing and a control valve. Air pump not included.