Frequently Asked Questions

  1. What is the price of a Jones Tube?

    • The price of a Jones Tube is dependent on the style of the tube ordered. For more specifics on prices please see our 2024 Catalog.

  2. I have a description, but what is the part number?

    • Our part number system is set up with a 5 digit prefix depicting the type of Jones Tube desired followed by a dash and suffix for the size of the tube (XXXXX-XXXX). Please see our part number guide on PG 3 of the 2024 Catalog for additional questions.

  3. Is the Jones Tube safe for MRI machines?

    • Jones Tubes are made of 100% Pyrex glass and you will never encounter an interaction with the Jones Tube and MRI machines.

  4. Is the product shipped sterile?

    • Our products are not shipped in sterile packaging, however please see our Sterilization Instructions for our validated recommendations.

  5. Can I return the product?

    • Weiss Glass Cannulas can be returned at any time for replacement 100% satisfaction guarantee. Since each Jones Tube is made to order and not a stock item, Gunther Weiss Scientific only accepts returns when the outside packing slip seal has NOT been broken.

  6. How fast can I get the product?

    • Most orders placed before noon PST will ship the same day. We offer 7 UPS shipping methods. Our ground service varies from 1 to 5 business days from our facility in Portland OR to anywhere in the continental USA. Please contact us directly for inquires about international shipments.

  7. Do you sell a container to store the product?

  8. Can I pay by credit card?

    • We prefer Net 30 payment terms, however in special circumstances we accept VISA or MasterCard with a 3% service fee .

  9. How can I place an order?

    • You may call our office Mon-Fri 7am-3:30pm, email us a purchase order anytime at orders@guntherweiss.com, or fax us at 503-644-0975.

    • We are closed all major US Federal Holidays

  10. How do I measure a Jones Tube?

    • For questions about measuring, please see our guide on PG 18 of the 2024 Catalog.