Presby Environmental

Presby Environmental Inc. (PEI) , founded in 1995 by inventor and entrepreneur David Presby, is an innovative environmental organization that engineers new technology to change the way the world approaches wastewater treatment. Today the company is working at the cutting edge of water pollution control to help protect and preserve our most precious natural resources.

Delta Environmental

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Anua is a modern Irish-based industrial enterprise with locations around the world. In the United States, we are headquartered in Greensboro, N.C.

Our trading name, Anua, is derived directly from the Irish word meaning “renew.” The concept of renewal fits with our strategic intent to focus on innovation and the processes behind innovation. We develop products and systems that create clean air and clean water.

We focus on water conservation, energy reduction and reduced chemical demand while providing superior performance to homeowners, communities, industries, municipalities and significant benefits to our environment.

As a society, we believe in the need to forge a new contract with nature that respects its power and fragility. As a company, we have committed ourselves to doing just that.

Puraflo Wastewater Treatment System

Platinum Wastewater Treatment