4 Used tubes I believe for a Carbon Analyzer.  I purchased a lot from a lab that shut down, so I do not know the history or condition of these tubes other than one says "K-contaminated" so selling lot as is.  No chips no cracks..  Clean yourself based on your intended use. 

I always try to ship within one day of receiving payment,  However, I travel, and sometimes with little notice,  so if you need in a hurry please contact me BEFORE YOU BID, to determine my shipping schedule.

Payment by Paypal or other instant payment methods only, buyer pays shipping.   Please note if buying international,  I only charge the actual shipping to the US shipping center, ebay adds the rest.

25x11x10 4lbs  Ship by UPS or FedEx

Thanks for looking and please see my other listings.

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