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FAQs
  • To check the status of an existing order, track a package or print a receipt, click here.
  • For information on how to return a product, click here.
  • Having trouble locating a filter? Try our filter finder or build your own custom size filter.
  • If your order arrives damaged email us immediately at damage@ntsupply.com to arrange for a replacement.
  • Stock items ship within 1-2 business days. (orders received by 3pm usually ship the same day)
  • Expedited shipments (Next Day Air & 2nd Day Air) placed after 3pm will ship the next business day.
  • We stock over 97% of the items on our site and ship from our distribution center located in Indianapolis, IN.
  • Customers in Hawaii and Alaska may use the contact us form above to arrange for lower USPS rates.
  • We currently accept purchase orders from governmental and well qualified corporate buyers. Purchase orders may be faxed to (317) 536-7449.
  • To order by mail, calculate your total, print the page and mail it along with a check to:
National Trade Supply, LLC
5340 S. Harding Street
Indianapolis, IN 46217
Phone: (317) 536-7445
Fax: (317) 536-7449
Toll Free: (866) 764-9900
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