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Thermo Fisher Scientific

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Test/Sample Tube Closures

Test tube closures ensure samples do not leak or are contaminated by providing a reliable seal. Securely mix or store small samples with these tops that allow one-handed sealing. Offered in a variety of colors, identification is made easier. Closures come in screw and snug-fit plug designs to fit any test tube opening style. Resistant to high temperatures, the versatile test tube closures can withstand heating applications while the chemical resistance guarantees limitless sample compatibility.


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Catalog Number: 76642-860
Supplier: Thermo Fisher Scientific



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Description:   E-BEAM STERILE, 11 mm - high density polyethylene purple Color Coder.
Catalog Number: 73521-178
Supplier: Thermo Fisher Scientific



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Description:   For Micro Packaging Vial. HDPE. Leakproof, threaded screw closure has no O-ring to fall out or contaminate contents. Color-coded inserts are permanently attached and free of toxic heavy metals. Non-cytotoxic and non-pyrogenic. 11mm. Orange.
Catalog Number: 73520-808
Supplier: Thermo Fisher Scientific



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Catalog Number: 76642-664
Supplier: Thermo Fisher Scientific



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Description:   For Micro Packaging Vial. HDPE. Leakproof, threaded screw closure has no O-ring to fall out or contaminate contents. Color-coded inserts are permanently attached and free of toxic heavy metals. Non-cytotoxic and non-pyrogenic. 11mm. Lt. purple.
Catalog Number: 73520-438
Supplier: Thermo Fisher Scientific



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Catalog Number: 76642-888
Supplier: Thermo Fisher Scientific



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Catalog Number: 76642-872
Supplier: Thermo Fisher Scientific



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Description:   For blood collection and glass or plastic test tubes. Seals inside rim of 16mm, and seals outside rim of 12 and 13mm tubes. Protects against evaporation. Packaged 1000 closures per pack, 10 packs per case. Red.
Catalog Number: 28296-622
Supplier: Thermo Fisher Scientific



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Description:   Designed for nalgene round or conical centrifuge tubes, pull tab for closure removal, autoclavable, may not provide liquid tight seal at high speeds.
Catalog Number: 21010-885
Supplier: Thermo Fisher Scientific



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Description:   For blood collection and glass or plastic test tubes. Seals inside rim of 12mm or 13mm tubes, and seals outside rim of 10mm tubes. Protects against evaporation. Packaged 1000 closures per pack, 10 packs per case. Black.
Catalog Number: 28295-458
Supplier: Thermo Fisher Scientific



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Description:   E-BEAM STERILE, 11 mm - high density polyethylene light green Color Coder.
Catalog Number: 73521-186
Supplier: Thermo Fisher Scientific



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Catalog Number: 73521-221
Supplier: Thermo Fisher Scientific



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Description:   Designed for nalgene round or conical centrifuge tubes, pull tab for closure removal, autoclavable, may not provide liquid tight seal at high speeds.
Catalog Number: 21010-965
Supplier: Thermo Fisher Scientific



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Catalog Number: 76642-920
Supplier: Thermo Fisher Scientific



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Description:   For Micro Packaging Vial. HDPE. Leakproof, threaded screw closure has no O-ring to fall out or contaminate contents. Color-coded inserts are permanently attached and free of toxic heavy metals. Non-cytotoxic and non-pyrogenic. 11mm. Lt. green.
Catalog Number: 73520-434
Supplier: Thermo Fisher Scientific



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Description:   E-BEAM STERILE, 11 mm - high density polyethylene yellow Color Coder.
Catalog Number: 73521-166
Supplier: Thermo Fisher Scientific



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