We are FlexFlow Elbow based in Oveland Park, USA. We are member of Tradekey.com since December, 2007. Our business is related to Construction & Real Estate industry and we specifically deal in HVAC. Please find our product details below:FlexFlow elbowFlexFlow Elbow® improves airflow efficiency and saves energy by eliminating kinks and restrictions common to commercial and residential flexible duct installations. Certified NEBB tests indicated an average CFM improvement of 9%. The U.L. listed brace-like device mounts over the outer jacket of any flexible duct forming a smooth and efficient 90-degree elbow. Adjustable bands and one-piece design fits flexible duct diameters 6-16. Installation time is less than one minute.FlexFlow elbowFlexFlow Elbow® improves airflow efficiency and saves energy by eliminating kinks and restrictions common to commercial and residential flexible duct installations. Certified NEBB tests indicated an average CFM improvement of 9%. The U.L. listed brace-like device mounts over the outer jacket of any flexible duct forming a smooth and efficient 90-degree elbow. Adjustable bands and one-piece design fits flexible duct diameters 6-16. Installation time is less than one minute.Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.