Eheim 4002650 or Kotobuki Multiflow Adjustable Air Diffuser Aquarium Air Stone

Description

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Air diffuser can adjust the air volume with its own flow adjustment dial.
Because it is fixed to the glass tank with suction cup, the air stone does not move around in the water tank like conventional air stones.
There is no "decomposition" or "cracking" associated with long-term use like in conventional adhesive-formed air stone. T
his air diffuser also removes dust from the air injected into the water tank.
As with conventional adhesive-formed air stone, it is unlikely to cause a reduction in air permeability that tends to occur in long-term use.
1. Eheim Diffuser - Made in Germany.
2. Kotobuki Multiflow - Made in China.
3. No Brand Best Value - Made in China
No Charge for Returns or Return Shipping.