The Dryden Aqua 3m Air Diffuser is a high-capacity aeration system designed for large-scale water treatment, industrial processing, and aquaculture systems. By delivering fine bubble diffusion, it optimises oxygen transfer, making it one of the most energy-efficient aeration solutions available.

This extra-large air diffuser provides maximum oxygen transfer efficiency, reducing energy costs while significantly improving biological treatment processes in wastewater treatment plants, fish farms, and lake aeration systems.

The self-ballasted design allows for easy placement without anchoring, making installation and maintenance hassle-free.

Key Features:

✔ Fine Bubble Aeration – Delivers superior oxygen transfer for large-scale applications.
✔ 3m Length – Ideal for high-flow aeration needs in industrial and commercial systems.
✔ 9m³/h Air Flow Rate – Ensures maximum aeration coverage and efficiency.
✔ 1/2” Connection – Heavy-duty fitting for demanding applications.
✔ Self-Ballasted – Sinks and remains in place without requiring additional securing.
✔ Highly Durable & Corrosion-Resistant – Engineered for long-term use with minimal maintenance.
✔ Low Pressure Drop (<3 psi) – Optimises energy consumption for cost-effective aeration.
✔ Quick Maintenance & Easy Cleaning – Can be serviced without stopping aeration operations.

Technical Specifications:

• Length: 3m
• Air Flow Rate: 9m³/h
• Connection Type: 1/2” Hose Tail
• Weight: 4.5kg
• Bubble Size: ~1mm (Fine Bubble Diffusion)
• Pressure Drop: Less than 3 psi
• Oxygen Transfer Efficiency: Up to 5kg O₂/kWh

Applications:

✔ Municipal & Industrial Wastewater Treatment – Supports biological treatment & oxygenation.
✔ Aquaculture & Fisheries – Provides continuous aeration for large-scale fish and shrimp farming.
✔ Reservoir & Lake Aeration – Prevents stagnation, algae buildup, and water stratification.
✔ Agricultural Wastewater Treatment – Improves organic matter breakdown & water quality.
✔ Industrial Process Water Treatment – Enhances chemical oxidation & wastewater treatment efficiency.

Benefits:

✔ Maximises Oxygen Transfer Efficiency – Ensures superior aeration for biological treatment processes.
✔ Reduces Energy Costs – Fine bubble aeration is 5x more efficient than traditional coarse bubble systems.
✔ Quick & Easy Installation – Self-ballasted, requiring no anchoring or additional supports.
✔ Long-Lasting & Durable – Resistant to biofouling, scaling, and environmental wear.
✔ Versatile Usage – Can be used in lagoons, treatment plants, fish farms, and lakes.
✔ Minimal Maintenance – Designed for continuous operation with easy servicing.

Why Choose the Dryden Aqua 3m Air Diffuser?

As one of the largest aeration diffusers in the Dryden Aqua range, the 3m model provides maximum aeration efficiency for high-volume applications. Whether in municipal wastewater treatment, commercial aquaculture, or lake aeration, this diffuser delivers exceptional performance and cost savings.

Important Note:

Product images are for reference only and may not always reflect exact scale or size.

Product Downloads Below: 

Product Data Sheet HERE

Product User Manual HERE