for exhaust, make-up air and filtration within the building. Although the system was unusual in its construction, using flexible tubing that inflated for ducting the air..., the engineering suggested that the application of this product would fit nicely into our facility and meet our requirements for air exchange and filtration. The cost and delivery was very... the system for the beginning of summer in June 2011. Read Full Recommendation. Atlantic Material Handling Equipment, Inc. "Just a brief few words to let you know how pleased we...