MX 4N1 is specially formulated high performance product composed of low foam detergents, sequestering agents and water soluble solvents. Formulated to provide maximum cleaning action in hot and cold water extraction units without leaving residue behind. Meets the highest standards in carpet extraction maintenance. Approximately 80% of all soils and greasy substances are caused by foot traffic and over half are of a greasy nature. Safe on all synthetic carpet fibers. Does not contain any optical brighteners. This product is an extraction cleaner that cleans the carpet fibers more thoroughly than any product on the market today. This product is most effective on carpets that have been previously treated with a mill-applied fluorochemical stain-resistant treatment. Vacuum carpet thoroughly. Test carpet for colorfastness in an inconspicuous area before any method of cleaning.