Pond Stainless Steel Weighted Air Diffuser Air Stone 6 1/2" Diameter.. Condition is New. Shipped with USPS Priority Mail Small Flat Rate Box.

Easy to maintain FDA Polyurethane tubing that delivers even micro bubbles.

Replacement bubble tube, if ever needed, is super affordable over having to purchase a whole new stone or rubber membrane model air diffuser.

The rings stay put on the pond bottom where placed.

They require less pressure to run which helps your air pumps life due to less demand and less back pressure.


Optimal air 25 liters to 60 lpm.

Excellent paired with Hakko air pumps.