Denny Alexander
I am a water filtration and disinfection design engineer. I have over 40 years of practical field experience.
About Us
Denny Alexander/Principal
My wife and business partner Karen
My wife and business partner Karen
My wife and business partner Karen
My wife and business partner Karen
My wife and business partner Karen
Serving greater D.C., Northern Virginia and Baltimore
Filtration / Disinfection experience since 1969…
