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About Us


TFI/ Inline Design Corporation specializes in non-metallic Polypropylene Casework and Fume Hoods. This complete product line has been developed and successfully marketed to the laboratory industry. Based in the Denver metropolitan area, Inline Design is the sales and marketing division of TFI International. TFI has been a custom fabrication/manufacturer of thermoplastic products for the past 30 years.


Since 1998, when Inline Design began to make its polypropylene laboratory casework and fume hoods, they have enjoyed building successful business relationships with established architectural and engineering firms, casework dealers, and manufacturers in the laboratory industry.


In addition to our polypropylene casework and fume hoods, we also offer accessory items such as our patented Inline Fume Scrubber system, corrosion resistant Exhaust Blower, PVC and Polypropylene ductwork, Chemical Storage and Process Tanks, as well as many other "Custom" Thermoplastic Fabricated Products for a wide range of chemical applications.


Our entire line of products has been designed with one goal in mind. To meet or exceed specific corrosion or contamination issues in today's laboratories.



Frank Conner, the Owner/President of TFI/Inline Design, started TFI International in December of 1980 at age 28. With already 10 years experience in industrial plastic sales at the time, Frank saw the future potential of custom equipment fabricated from thermoplastics. Frank continues to provide his knowledge and experience to help TFI / Inline Design become one of the leading polypropylene casework and fume hood manufacturers.

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