Fil-Trek Corporation, 55 Stafford Court, Cambridge, ON N1T 1B3, CA. Tel: (519) 623-7448. Fil-Trek Corporation in Cambridge, ON specializes in the design, manufacture, and service of industrial filtration for the global market. Products offered by Fil-Trek Corporation include: replacement filters, filter housings, strainers, and custom filtration equipment. Fil-Trek's rental program helps companies get the most accurate filtration results for projects that only require short term use.