Unbranded Aquarium Bio Sponge Filter Quiet Betta Fry Shrimp And Small Fish Foam Filter For Fish Tanks Up To 20 Gallons, 3 Pack Up To 20Gal

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.<br>Small Size: It measures 2″ D x 6.2″ H. Fit for 10 – 20 gallon small tanks. Suitable for the breeding and feeding of various ornamental fish, shrimp or fish fry.<br>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!<br>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.<br>Air Pump Not Included: You need an extra air pump to run the filter, which processes external air to promote oxygen circulation, providing a healthier tank environment.