ProLake 3.9 Diffused Aeration System – Reliable Aeration for Medium to Large Ponds

The ProLake 3.9 Aeration System is built for ponds and lakes up to 9 acres, providing consistent, efficient aeration that keeps water clean, balanced, and healthy. Perfect for medium-to-large bodies of water, it helps improve clarity, reduce stratification, and support a thriving aquatic environment.

Powered by three ½ HP compressors, the ProLake 3.9 delivers 15.9 cubic feet of air per minute to self-cleaning, non-clogging Duraplate™ diffusers. Combined with high-volume cooling blowers, brushed aluminum manifolds, and an exclusive programmable timer, this system ensures dependable, low-maintenance performance.

All components are housed in a durable, sound-deadening cabinet for quiet, energy-efficient operation designed to last for years.

What’s Included

• 9 Duraplate™ Diffusers

• Three ½ HP Compressors (115V or 230V)

• Sound-Deadening Cabinet

• Programmable Timer (Optional)

• Three 4-Valve Brushed Aluminum Manifolds

• Weighted Tubing (Optional)

• 2-Year Warranty

ProLake 3.9 System Highlights

• Exclusive UL Listed programmable timer with 7-day, 24-hour control, manual override, and backup power retention

• High-efficiency aeration that reduces algae, odors, and bottom muck buildup

• Energy-efficient design for long-term cost savings

ProLake Duraplate™ Diffusers

• Industry’s strongest diffuser with lifetime warranty

• Self-cleaning and non-clogging design

• High oxygen transfer rate for improved water quality

• Fishhook-resistant molded shell

• Available in dual and quad configurations for larger layouts

Optional Upgrades

Alpine™ Self-Weighted Airline – Flexible, durable tubing that sinks directly to the pond bottom without kinking or breaking. Built with a thick ¼” sidewall for maximum strength.

Level-Aer™ Equipment Pad – High-density plastic pad that provides a sturdy, stable base without requiring concrete or heavy construction.