Hydroponic Grow Box Use air stone ozone diffuser

1.made of carborundum and white corundum 

2.various size, different color 

3.durable ,strong,good filterable

Description

(1) Durable airstone diffuses water in every direction, creating dazzling underwater scenes

(2) Increases surface agitation, accelerates oxygen replenishment

(3) Helps release carbon dioxide build-up

(4) Larger models create a wall of decorative bubbles

(5) Fits standard airline tubing

Available in the following sizes: 75mm, 100mm and 125mm.

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