3 Ft. Flexible Air Stone

3 Ft. Flexible Air Stone

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Item Details

Permeable Flexible Air Stones are a great way to aerate your growing system. The flexible stones bend into any shape you need to deliver air where you need it most, they also create less back pressure than traditional air stones, which reduces damage to your pump.

For use with 3/16" inside diameter tubing.


  • The Hydrofarm Flexible Air Diffuser allows you to bend it into any shape needed.
  • It provides uniform oxygen dispersal throughout its length.
  • Ideal for oxidation of aquariums and reservoirs as well as decorative use


Attach tubing from the air pump to the flexible air diffuser, then submerse into water and turn power on for bubble dispersion.

To ensure proper distribution of air, please ensure that:
  1. the stone is clean
  2. the stone is at a consistent depth in the water
  3. sharp bends are avoided
Failure to maintain a consistent depth across the length of the stone, or overly-sharp bends, can cause a lack of consistent air distribution. If you are experiencing a lack of air distribution in certain areas of the stone try modifying the bends, verifying the stone's depth, or cleaning the stone as instructed on the packaging.

Item Specifications
Item Number: 134031
Universal Product Code: 638104005036
Manufacturer: Hydrofarm
Manufacturer's Part Number: AS3FLEX
Brand: Active Aqua

Additional Documents
pdf file Flexible Airstone Instructions

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