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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 1 - 20 of 56
    SKU Name Tube (mm)Color MSRP Our Price  
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    T13717-01T13717-01 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, White, 1000/PK (Bioplas P/N: 6500)
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    10White $22.31 Add T13717-01 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, White, 1000/PK (Bioplas P/N: 6500) to Cart
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    T13717-02T13717-02 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, White, 1000/PK, 10PK/CS (Bioplas P/N: 6500)
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    10White $207.14 Add T13717-02 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, White, 1000/PK, 10PK/CS (Bioplas P/N: 6500) to Cart
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    T13717-03T13717-03 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Red, 1000/PK (Bioplas P/N: 6505)
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    10Red $22.31 Add T13717-03 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Red, 1000/PK (Bioplas P/N: 6505) to Cart
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    T13717-04T13717-04 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Red, 1000/PK, 10PK/CS (Bioplas P/N: 6505)
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    10Red $207.14 Add T13717-04 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Red, 1000/PK, 10PK/CS (Bioplas P/N: 6505) to Cart
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    T13717-05T13717-05 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Lavender, 1000/PK (Bioplas P/N: 6510)
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    10Lavender $22.31 Add T13717-05 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Lavender, 1000/PK (Bioplas P/N: 6510) to Cart
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    T13717-06T13717-06 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Lavender, 1000/PK 10PK/CS (Bioplas P/N: 6510)
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    10Lavender $207.14 Add T13717-06 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Lavender, 1000/PK 10PK/CS (Bioplas P/N: 6510) to Cart
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    T13717-07T13717-07 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Green, 1000/PK (Bioplas P/N: 6515)
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    10Green $22.31 Add T13717-07 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Green, 1000/PK (Bioplas P/N: 6515) to Cart
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    T13717-08T13717-08 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Green, 1000/PK, 10PK/CS (Bioplas P/N: 6515)
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    10Green $207.14 Add T13717-08 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Green, 1000/PK, 10PK/CS (Bioplas P/N: 6515) to Cart
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    T13717-09T13717-09 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Blue, 1000/PK (Bioplas P/N: 6520)
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    10Blue $22.31 Add T13717-09 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Blue, 1000/PK (Bioplas P/N: 6520) to Cart
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    T13717-10T13717-10 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Blue, 1000/PK, 10PK/CS (Bioplas P/N: 6520)
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    10Blue $207.14 Add T13717-10 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Blue, 1000/PK, 10PK/CS (Bioplas P/N: 6520) to Cart
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    T13717-11T13717-11 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Grey, 1000/PK (Bioplas P/N: 6525)
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    10Grey $22.31 Add T13717-11 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Grey, 1000/PK (Bioplas P/N: 6525) to Cart
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    T13717-12T13717-12 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Grey, 1000/PK, 10PK/CS (Bioplas P/N: 6525)
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    10Grey $207.14 Add T13717-12 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Grey, 1000/PK, 10PK/CS (Bioplas P/N: 6525) to Cart
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    T13717-13T13717-13 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Yellow, 1000/PK (Bioplas P/N: 6530)
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    10Yellow $22.31 Add T13717-13 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Yellow, 1000/PK (Bioplas P/N: 6530) to Cart
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    T13717-14T13717-14 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Yellow, 1000/PK, 10PK/CS (Bioplas P/N: 6530)
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    10Yellow $207.14 Add T13717-14 : Uni-Flex Safety Caps for 10mm Blood Collecting & Culture Tubes, Yellow, 1000/PK, 10PK/CS (Bioplas P/N: 6530) to Cart
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    T13717-15T13717-15 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, White, 1000/PK (Bioplas P/N: 6550)
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    12, 13White $22.31 Add T13717-15 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, White, 1000/PK (Bioplas P/N: 6550) to Cart
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    T13717-16T13717-16 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, White, 1000/PK, 10PK/CS (Bioplas P/N: 6550)
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    12, 13White $207.14 Add T13717-16 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, White, 1000/PK, 10PK/CS (Bioplas P/N: 6550) to Cart
    Image Not Available
    T13717-17T13717-17 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Red, 1000/PK (Bioplas P/N: 6555)
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    12, 13Red $22.31 Add T13717-17 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Red, 1000/PK (Bioplas P/N: 6555) to Cart
    Image Not Available
    T13717-18T13717-18 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Red, 1000/PK, 10PK/CS (Bioplas P/N: 6555)
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    12, 13Red $207.14 Add T13717-18 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Red, 1000/PK, 10PK/CS (Bioplas P/N: 6555) to Cart
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    T13717-19T13717-19 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Lavender, 1000/PK (Bioplas P/N: 6560)
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    12, 13Lavender $22.31 Add T13717-19 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Lavender, 1000/PK (Bioplas P/N: 6560) to Cart
    Image Not Available
    T13717-20T13717-20 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Lavender, 1000/PK, 10PK/CS (Bioplas P/N: 6560)
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    12, 13Lavender $207.14 Add T13717-20 : Uni-Flex Safety Caps for 12mm Tubes & 13mm Blood Collecting tubes, Lavender, 1000/PK, 10PK/CS (Bioplas P/N: 6560) to Cart
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