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FREE SHIPPING for Subtotals Over $100 Enter Code: TNSHIPSFREE100

We will send you a prepaid shipping kit that contains all the necessary items for preparing and shipping your sample. This kit also includes a pre-paid return shipping label for your convenience.


Inside the kit, you will find screw-seal 5ml test tubes. Select the number of samples you wish to send, and we will include the corresponding amount of test tubes in the package.

Prepaid Sample Mail in Kit