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Now there's a safe, economical way to cap and recap blood collection tubes and disposable glass culture tubes, regardlesss of manufacturer. Uni-Flex Safety Caps are available for a wide range of biomedical and industrial applications. The Uni-Flex liquid-tight seal ensures sample integrity and prevents spillage of serum samples. Uni-Flex Safety Caps are available in several colors which helps guard against sample cross-contamination and is convenient for color-coding to particular R&D projects. Uni-Flex Safety Caps protect your laboratory staff from the aerosols of highly-infectious organisms such as TB and the HTLV-III virus.

  • Will not aerosol when opened!
  • 10, 12, 13 and 16mm sizes fit all varieties of blood collecting and disposable culture tubes.
  • Liquid-tight seal prevents sample evaporation.
  • The Uni-Flex Safety Cap is designed to hold under centrifugation, agitation, refrigeration and freezing.
  • Easy identification of samples.
  • Uni-Flex Safety Caps are available in 7 colors that correspond to blood collection cap colors.
  • Stretchable, unique over-locking design is far superior to Parafilm.
  • Locks securely onto the outside of tube lip to prevent evaporation.
  • Easy to label. Write directly on the cap with indelible ink.
  • Clear, natural colored caps are trace-metal free.




  • Displaying items 21 - 40 of 56
    SKU Name Tube (mm)Color MSRP Our Price  
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    T13717-21T13717-21 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Green, 1000/PK (Bioplas P/N: 6565)
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    12, 13Green $22.31 Add T13717-21 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Green, 1000/PK (Bioplas P/N: 6565) to Cart
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    T13717-22T13717-22 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Green, 1000/PK, 10PK/CS (Bioplas P/N: 6565)
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    12, 13Green $207.14 Add T13717-22 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Green, 1000/PK, 10PK/CS (Bioplas P/N: 6565) to Cart
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    T13717-23T13717-23 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Blue, 1000/PK (Bioplas P/N: 6570)
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    12, 13Blue $22.31 Add T13717-23 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Blue, 1000/PK (Bioplas P/N: 6570) to Cart
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    T13717-24T13717-24 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Blue, 1000/PK, 10PK/CS (Bioplas P/N: 6570)
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    12, 13Blue $207.14 Add T13717-24 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Blue, 1000/PK, 10PK/CS (Bioplas P/N: 6570) to Cart
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    T13717-25T13717-25 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Grey, 1000/PK (Bioplas P/N: 6575)
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    12, 13Grey $22.31 Add T13717-25 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Grey, 1000/PK (Bioplas P/N: 6575) to Cart
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    T13717-26T13717-26 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Grey, 1000/PK, 10PK/CS (Bioplas P/N: 6575)
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    12, 13Grey $207.14 Add T13717-26 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Grey, 1000/PK, 10PK/CS (Bioplas P/N: 6575) to Cart
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    T13717-27T13717-27 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Yellow, 1000/PK (Bioplas P/N: 6580)
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    12, 13Yellow $22.31 Add T13717-27 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Yellow, 1000/PK (Bioplas P/N: 6580) to Cart
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    T13717-28T13717-28 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Yellow, 1000/PK, 10PK/CS (Bioplas P/N: 6580)
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    12, 13Yellow $207.14 Add T13717-28 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Yellow, 1000/PK, 10PK/CS (Bioplas P/N: 6580) to Cart
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    T13717-29T13717-29 : Uni-Flex Safety Caps for 13mm Culture Tubes, White, 1000/PK (Bioplas P/N: 6600)
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    13White $22.31 Add T13717-29 : Uni-Flex Safety Caps for 13mm Culture Tubes, White, 1000/PK (Bioplas P/N: 6600) to Cart
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    T13717-30T13717-30 : Uni-Flex Safety Caps for 13mm Culture Tubes, White, 1000/PK, 10PK/CS (Bioplas P/N: 6600)
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    13White $207.14 Add T13717-30 : Uni-Flex Safety Caps for 13mm Culture Tubes, White, 1000/PK, 10PK/CS (Bioplas P/N: 6600) to Cart
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    T13717-31T13717-31 : Uni-Flex Safety Caps for 13mm Culture Tubes, Red, 1000/PK (Bioplas P/N: 6605)
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    13Red $22.31 Add T13717-31 : Uni-Flex Safety Caps for 13mm Culture Tubes, Red, 1000/PK (Bioplas P/N: 6605) to Cart
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    T13717-32T13717-32 : Uni-Flex Safety Caps for 13mm Culture Tubes, Red, 1000/PK, 10PK/CS (Bioplas P/N: 6605)
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    13Red $207.14 Add T13717-32 : Uni-Flex Safety Caps for 13mm Culture Tubes, Red, 1000/PK, 10PK/CS (Bioplas P/N: 6605) to Cart
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    T13717-33T13717-33 : Uni-Flex Safety Caps for 13mm Culture Tubes, Lavender, 1000/PK (Bioplas P/N: 6610)
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    13Lavender $22.31 Add T13717-33 : Uni-Flex Safety Caps for 13mm Culture Tubes, Lavender, 1000/PK (Bioplas P/N: 6610) to Cart
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    T13717-34T13717-34 : Uni-Flex Safety Caps for 13mm Culture Tubes, Lavender, 1000/PK, 10PK/CS (Bioplas P/N: 6610)
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    13Lavender $207.14 Add T13717-34 : Uni-Flex Safety Caps for 13mm Culture Tubes, Lavender, 1000/PK, 10PK/CS (Bioplas P/N: 6610) to Cart
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    T13717-35T13717-35 : Uni-Flex Safety Caps for 13mm Culture Tubes, Green, 1000/PK (Bioplas P/N: 6615)
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    13Green $22.31 Add T13717-35 : Uni-Flex Safety Caps for 13mm Culture Tubes, Green, 1000/PK (Bioplas P/N: 6615) to Cart
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    T13717-36T13717-36 : Uni-Flex Safety Caps for 13mm Culture Tubes, Green, 1000/PK, 10PK/CS (Bioplas P/N: 6615)
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    13Green $207.14 Add T13717-36 : Uni-Flex Safety Caps for 13mm Culture Tubes, Green, 1000/PK, 10PK/CS (Bioplas P/N: 6615) to Cart
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    T13717-37T13717-37 : Uni-Flex Safety Caps for 13mm Culture Tubes, Blue, 1000/PK (Bioplas P/N: 6620)
    Click for details 
    13Blue $22.31 Add T13717-37 : Uni-Flex Safety Caps for 13mm Culture Tubes, Blue, 1000/PK (Bioplas P/N: 6620) to Cart
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    T13717-38T13717-38 : Uni-Flex Safety Caps for 13mm Culture Tubes, Blue, 1000/PK, 10PK/CS (Bioplas P/N: 6620)
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    13Blue $207.14 Add T13717-38 : Uni-Flex Safety Caps for 13mm Culture Tubes, Blue, 1000/PK, 10PK/CS (Bioplas P/N: 6620) to Cart
    Image Not Available
    T13717-39T13717-39 : Uni-Flex Safety Caps for 13mm Culture Tubes, Grey, 1000/PK (Bioplas P/N: 6625)
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    13Grey $22.31 Add T13717-39 : Uni-Flex Safety Caps for 13mm Culture Tubes, Grey, 1000/PK (Bioplas P/N: 6625) to Cart
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    T13717-40T13717-40 : Uni-Flex Safety Caps for 13mm Culture Tubes, Grey, 1000/PK, 10PK/CS (Bioplas P/N: 6625)
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    13Grey $207.14 Add T13717-40 : Uni-Flex Safety Caps for 13mm Culture Tubes, Grey, 1000/PK, 10PK/CS (Bioplas P/N: 6625) to Cart
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