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Cap your 5 and 6 Dram vials and 4 Ounce Cobalt Blue Boston Rounds with the perfect closure. Available with different liner materials to insure compatability with virtually any material. It is essential to determine the appropriate closure for your application.

We can provide samples prior to purchase for testing, please contact your Customer Service Representative, call us at 866 509-1834 or

Popular products in the 24-400 category:

An explanation of different types of closures you can put on your bottles/vials and the types of liners each closure has.


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Buy vials, tubes, and closures from a veteran owned business