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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Assume full responsibility to satisfy all needs of our clients; achieve continual advancements by endorsing the expansion of our purchasers; turn into the final permanent cooperative partner of clientele and maximize the interests of clients 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: Iran, Portugal, Sri Lanka, In the future, we promise to keep offer the high quality and more cost-effective products, the more efficient after sales service to our all customers all over the world for the common development and the higher benefit.

The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
