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Continue to ChatCryoking; 2 inch Box; PC; working temperature from -196 C to 121 C; 10x10; 3 Pieces per Bag; 2 Bags per Pack; 2 Packs per Case https://www.7bioscience.com/shop/detail/p/cryoking-2-inch-box-pc-working-temperature-from-196-c-to-121-c-10x10-3-pieces-bag-2-bags-pack-2-packs-case/BLX-98-0200