Gebhardt is a leader of Fan Filter Units and Centrifugal Fans in Europe and the Pacific Rim and has an established excellent reputation here in North America. Gebhardt continues to enjoy a reputation of having one for the best FFUs in the market - reliable, efficient and robust. Over the past 40 years, we have developed the themes of aerodynamics and acoustics for all of our fan units to the highest level. All other FFU suppliers purchase fans, motors, and software from other suppliers (with the issues of additional mark-ups and lack of quality control inherent in this model.) Gebhardt is thus able to offer the highest quality product at very competitive factory direct pricing.