Paul Bartos, 46, died on April 3. He was employed by Filtration Group (Joliet, IL). He died while in Chicago on business away from his Dallas home.

Over the last 25 years, Mr. Bartos has worked in the hvac filtration sector in sales, service, design, and manufacturing for Filtration Group, e-Filtration. com, EFC, Flanders, Viskon-Aire, and Air Filter International.

Mr. Bartos is survived by his wife Betty, daughter Jessica, and son Justin.