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  • MacDonald Steel
    MacDonald Steel
    (519) 620-0400
    200 Avenue Rd., N1R 8H5  Cambridge

    MacDonald Steel Environmental Systems designs, manufactures, installs and services all of our own products. We provide quality ducting systems design and fume exhauster installation . We provide quality diffusers . The MacDonald Steel Air Return Diffuser Duct is used where clean filtered air is re…