For all inquiries, please contact Filtrex at: Office location: 150 Bank Street Attleboro, MA 02703 Office Hours - Monday thru Friday 9 a.m - 5 p.m EST Telephone: (508)-226-7711 Toll Free: 1-888-230-7222 Cell Phone: (617)-699-8904 Fax: (508)-226-6825 Email: SZaiter@filtrexsystems.com Sales@filtrexsystems.com