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Helpful staff are available Monday-Friday, 6:30am-6:00pm CST.

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    Our Mailing Address:
    PESI
    P.O. Box 1000
    Eau Claire, WI 54702-1000
    USA

    Product Returns:
    PESI
    3839 White Avenue
    Eau Claire, WI 54703
    USA

    Customer Service:
    Hours: Monday-Friday, 6:30am-6:00pm CST
    Phone: (800) 844-8260
    Fax: (800) 554-9775