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Enviropax is a company located in Salt Lake City, Utah. They produce clarification and mixing systems. They construct trapezoidal plastic tube settlers.
Product
The hyperlink located bellow links to a page that describes the tube settlers. The quoted price for tube settlers was for trapezoidal shaped tubes which are not pictured on the website.
http://www.enviropax.com/tubedetail.htm
The picture located above is a rendering of a tube located in a tube settler module.
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Materials: Polyvinyl Chloride
http://www.healthybuilding.net/pvc/Thornton_Enviro_Impacts_of_PVC.pdf
Shipping and Supply Chain
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