Mini Aquarium Filter Cylinder Super Pneumatic Activated Carbon Filter Fish Tank Pneumatic Filter for Fish Tank Goldfish Bowl
S: weight：106g size: 7.5*10.5cm
L: weight：163g size: 7.5*14cm
1.Small Gas Stone refinement bubbles, increase oxygen solubility in water
2.Filter stone block a large number of particles in the water
3.Filter sponge Cotton core with double replacement design, adsorption of residual impurities
4.Activated carbon Remove odor, purify water, make water more clear
Do not use the filter above the aquarium and aquarium water level must be higher than the filter outlet.
To prevent the filter produce countercurrent and make the pump damage .