The Robust-Aire RA6 system includes:

Available in 1/2 lb (8oz) water soluable bags

and 9 acre ponds 12 to 16+ feet deep

plug-and-play wiring

Optional accessories include a dock mounting hardware package

Airmax LR25 Diaphragm Kit For The SW20 Pond Treatments The Robust-Aire RA6 system includes:Keep your SW20 Airmax Shallow Water Series Aeration System running at its best with LR25 Maintenance Kit. Over time, seals and moving parts wear and breakdown causing decreased system performance. Airmax Aeration Maintenance Kits contain the parts you need to restore your system to it's maximum potential. Kits should be installed every 6 12 months or if you experience a reduction or loss of bubbles at any of the diffusers to ensure optimum performance.