Terms and Conditions of Sale

Sheldon Manufacturing standard products payment terms are net 30 days (with approved credit application).

  • Terms for custom products will be established at the time of quotation.
  • Prepaid orders are honored.
  • MasterCard, Visa and American Express are accepted.
  • For international orders, prepayment via Bank Funds Transfer is required.


All prices are quoted in USD and are effective at the time of publication. Any prices are subject to change without notice.

Design and Specifications

Specifications of units may vary slightly from catalog descriptions and photographs due to our continuous attempt to improve product design and/or performance.

Return/Repair Inquiries

Return Authorizations of qualified products are only allowed within the 30 days of the ship date. A restocking fee of 25% will apply to all items being returned in addition to shipping charges to and from Sheldon Manufacturing and its subsidiaries. Goods damaged as a result of shipping cannot be returned. Use care when returning items.

Any damage as a result from customer improper packaging will not be accepted for return. Before returning any product, you must contact the Sheldon Manufacturing Service Department at (888) 227-1410 to obtain a Return Authorization Number (RA).

  • Custom products cannot be cancelled or returned.
  • Filters, regardless of condition, cannot be returned.

Please have the following information available when calling.

  • Model number
  • Serial number
  • Contact name
  • Contact phone number
  • Description of the problem with the unit or reason for return.
  • The RA number must then appear on the packing slip of the returned package to avoid processing delays.

Custom Product Sales

Quotations for specialized and custom designed products are available for a variety of Sheldon Manufacturing brands. Contact us for details and a custom quote.

Copyright and Trademark Notices

All contents of the Sheldon Manufacturing website and the websites of its subsidiaries, including but not limited to text, editorial content, graphics, images, logos, and button icons are the property of Sheldon Manufacturing and are protected by U.S. and international copyright laws. All rights reserved.

Locate a Sales Rep Get a Quotation
Shel Lab Bactron Lab Armor Cascade TEK Visu
Sheldon Manufacturing Inc

300 N. 26th Avenue • PO Box 627
Cornelius, OR 97113 USA
1 (888) 227-1410 • sales@sheldonmfg.com

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