cloth ductwork - 2 views
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durkeesox on 08 May 20"URR™ (UNIFORM AIR VELOCITY, REDUCER, RETENTION)-N SERIES URR perfectly integrates uniform air velocity controlling technology with Internal retention ring system, URR system remain round when deflated, absorbing all advantages of both products, It presents more stable inner air velocity, more balanced inner pressure, better visual pleasing effect, easier installation and higher cost efficiency."