Pawfly 4 Pack Aquarium Nano Bio Sponge Filter Quiet Betta Fry Shrimp and Small Fish Foam Filter for Tiny Fish Tank up to 10 Gallon

Fine Sponge Filtration: The 4 filters provide mechanical and bio filtration and traps debris or waste without sucking up your fish, keeping a crystal clear water tank.

Mini Size: They measure 2" D x 4.8" H. Fit for 5 - 10 gallon small tank. Suitable for the breeding and feeding of various ornamental fish, shrimp or fish fry.

Easy to Clean: Each 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.

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.