Check the video if you never seen this before.No need noisy airpump humming everywhere.This aquarium bubble sponge filter is powered by super quiet water pump,work as Bio sponge filter and as "Air Pump".Adjust the air intake knot to create fine bubbles and will reduce the bubblling sound to almost none.
Easy to clean,simply squeeze it in tank water to avoid the death of good bacterlas
Package including:
Filter S (for 8-30 Gallon)
Or Filter M (for 15-50 Gallon)
1 bag of hollow ceramic balls(Or filled it with other bio media)
3 strong suction cups
USB Adapter/Hub is not included
Pls notice, Media chamber box need to be open by breaking off with both hands(Like breaking off a stick),Not pull.
Suit for both freshwater and saltwater tank.
We had QC all the Filters so it should rarely have problems now,buy with confidence