Company History

Coventry Operations

Neptune Benson, an Evoqua brand, has been synonymous with water filtration and disinfection serving the recreational, municipal, and  industrial water markets since 1956. Our products include award-winning brands such as the Defender® regenerative media filter, ETS-UV disinfection systems, Vortisand® and Legacy™ sand filters.  Neptune Benson also offers the AEGIS® anti-entrapment shield, moveable bulkheads, Dominion™ butterfly valves, ProStrainer™ and Guardian™ strainers, greendrive™ VFD systems, as well as all Lawson Aquatics® accessory products.

Timeline of Corporate Milestones

1956 – Neptune Benson was founded by Junius and Raymond Gertz as a residential and small commercial pool company
1978 – Neptune Benson shifts focus to filtration systems for institutional pools (> 250K gallons)
2004 – Neptune Benson introduces the Defender regenerative media filter (RMF)
2011 – Acquires Lawson Aquatics, a premier manufacturer of main drain and rim-flow system components
2012 – Acquires ETS-UV, a leader in the development and manufacture of ultraviolet disinfection systems for municipal, industrial and aquatic applications
2013 – Acquires BRI Metal Works Inc., a leading manufacturer of custom plate fabrication, carbon and stainless steel products
2015 – Acquires ProStrainer product line from ProFlo Inc.; expands presence in the recreational market with its unique design and selling features
2015 – Neptune acquires Sonitec, expanding our filtration offering into industrial process markets
2016 – Neptune Benson is acquired by Evoqua Water Technologies, the global leader in water solutions


The science of water filtration and disinfection has evolved steadily, with dramatic surges over the last two decades. Our mettle has been tested, but every time the bar is raised, we gain momentum. Our products provide superior air and water quality and are designed to lower energy costs, save space and ensure safe, sustainable water treatment.

Company History November 5, 2014