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Continue to Chat0.5ml screw cap microtubes; self-standing. Polypropylene; clear. Autoclavable to 121? and freezable to -86?; Non-sterile; Can fit 81-0000 caps; Height: 2ml; 500 Tubes per Bag per Pack; 10 Packs per Case https://www.7bioscience.com/shop/detail/p/0-5ml-screw-cap-microtubes-self-standing-polypropylene-clear-autoclavable-to-121-and-freezable-to-86-non-sterile-can-fit-81-0000-caps-height-2ml-500-tubes-bag-pack-10-packs-case/BLX-81-0056