Reasonable price Air Stone Disc Bubble Diffuser - Energy-saving Ceramic Fine Bubble Diffuser – Holly Detail:
Product Features
1. Simple structure, ease of installation
2. Tight sealing without air leakage
3. Maintenance-free design, long service life
4. Corrosion resistance and anti-clogging
5. High oxygen transfer efficiency


Packing & Delivery


Technical Parameters
| Model | HLBQ178 | HLBQ215 | HLBQ250 | HLBQ300 |
| Operating Air Flow Range (m3/h·piece) | 1.2-3 | 1.5-2.5 | 2-3 | 2.5-4 |
| Designed Air Flow (m3/h·piece) |
1.5 | 1.8 | 2.5 | 3 |
| Effective Surface Area (m2/piece) |
0.3-0.65 | 0.3-0.65 | 0.4-0.80 | 0.5-1.0 |
| Standard Oxygen Transfer Rate (kg O2/h·piece) |
0.13-0.38 | 0.16-0.4 | 0.21-0.4 | 0.21-0.53 |
| Compressive Strength | 120kg/cm2 or 1.3T/piece | |||
| Bending Strength | 120kg/cm2 | |||
| Acid Alkali-resistance | weight loss 4-8%,not affected by organic solvents | |||
Product detail pictures:

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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" and the theory of "quality the basic, trust the first and management the advanced" for Reasonable price Air Stone Disc Bubble Diffuser - Energy-saving Ceramic Fine Bubble Diffuser – Holly, The product will supply to all over the world, such as: Malaysia, Estonia, Oslo, The credibility is the priority, and the service is the vitality. We promise we have the ability to provide excellent quality and reasonable price products for customers. With us, your safety is guaranteed.
The company can think what our think, the urgency of urgency to act in the interests of our position, can be said this is a responsible company, we had a happy cooperation!
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