3 inch
All electronics ship with US style plugs.
You may need a voltage converter or a plug adapter.
Special Features
- Widely applicable: Suitable for hydroponic systems, ponds, aquarium fish tanks, helping extend the life of your nutrient solution
- Medium Bubbles:Produce dense bubbles, continuously increase oxygen solubility,keep fish and roots healthy and promote plant growth
- Stable in Water:Comes with two bases,can securely lie on the bottom,and make the aeration area more larger
- Air Stone Dimension: 1.5 "D x 5" H;Fits for 3/ 16 inch standard airline tubing.Recommended air pump at least 5W
- Note: Soak the stone completely in water for 1 hour before use; Clean it regularly with a brush as it gets clogged after weeks or months of usage
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