How our proven design works for you...

Patent No. 9,068,338
Our patented drop boxes are designed to discharge the wastewater along the interior wall of the lift station. This discharge direction causes the wastewater to flow in a circular direction. The circular flow moves the solids, reducing their tendency to float and collect on the water surface. In turn, this greatly lowers the buildup of heavy solids and grease on the walls, minimize corrosion, and reduce the need for chemicals such as H2S. Which will save a considerable amount of time and money in the cleaning and maintenance of your lift stations and manholes.
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Drop boxes are designed to fit in any type of lift station or manholes. Our patented designs will save you time and money by reducing necessary maintenance and operating costs.
GP HydraFlow Drop Boxes
Tired of having to regularly clean your Multi-Trodes, Transducers and Floats in your lift stations? If so, we have a product for you.
GP HydraFlow Sensor Deflector
HydraFlow Sensor Deflector:ᅠ

This revolutionary product will protect your sensors and floats from the harsh environment of lift stations.

Our Sensor Deflector is designed to work with your Multi-Trodes, Transducers and Floats.

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Sensor Deflector
Typical Lift Station showing a GP Hydraflowᅠ
Multi-Trode Deflector.

  Available in Stainless Steel 316 / Composite

Our Drop Box fits lift stations and manholes almost any-size inlet and outlet. 

Custom sizes available upon request.

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Reduces Lift Station and Manhole cleaning and maintenance.