Hard to believe that this was ten years ago today! We’ve renewed tens of thousands of filters since then and still going strong.
http://www.big4filtration.com/wp-content/uploads/2018/11/TULSA-WORLD-ART.jpg
Tulsa World Article – November 28, 2008
Hard to believe that this was ten years ago today! We’ve renewed tens of thousands of filters since then and still going strong.
http://www.big4filtration.com/wp-content/uploads/2018/11/TULSA-WORLD-ART.jpg
