S4 Water has completed a multitude of filtration projects in just a short time.  As you may know, not all water filtration systems are the same.  Whether your filters are direct support or gravel support, pressure or gravity, S4 Water has the experience and know how to address any situation that may be occurring.  Below are examples of just some of those projects that S4 Water has been involved with. Click on the underdrain type for an explanation and project examples.
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Bell Bottom Underdrains:

 

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Wheeler Bottom Underdrains:

 

 

Leopold Clay Tile Underdrains:

 

 

Leopold Direct Support Underdrains:

 

 

Enviroquip® Folded Plate Underdrains:

 

 

Nozzle Bottom Underdrains: