water treatment facilities. They are also used as pre-treatment devices for reverse osmosis systems and as specialized filters designed to remove chlorine-resistant cysts, such as giardia and cryptosporidium . Aqua Pure Solutions 12 Aviator Way Ormond Beach, FL 32174 800 321 0602 begin_of_the_skype_highlighting 800 321 0602 end_of_the_skype_highlighting , 386 673 0602