Please note that costs will vary depending on location

Hover the mouse pointer over the thumbnail images to see the exact pattern specifications

The digital motor controller extends the system life up to 300%

the largest sphere

The Robust-Aire RA4 system includes:

Kasco RA3 Robust-Aire Diffused Aeration System Surface Aerators Please note that costs willThe Kasco Marine RA3 Robust Aire aeration system is a great aerator for larger ponds up to about 4 acres in size (depending on the depth). Effective aeration can be achieved in 2 acre ponds 5 to 8 feet deep, 3 acre ponds 8 to 12 feet deep, and 4 acre ponds 12 to 16+ feet deep. Please contact us if you need assistance on fitting the appropriate sized areator for your pond. We offer a free aerial pond mapping service to insure the best fitting system