- Package Sewage Treatment Plant 
- WWTP for municipal strength wastewater requiring secondary treatment. 
- Package Plant sizes up to 0.100 MGD
- Circular Field Erected Designs up to 1.5 MGD
- Package SBRs
- Package RBCs

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Sigma Low Speed 
Surface Aerator

AER-O-FLO Extended 
Aeration Package WWTP