This category covers conical centrifuge tubes, mostly in the standard 15 mL and 50 mL sizes, plus 10, 25 and 30 mL options. Nearly all are polypropylene with flat screw caps and come sterile or non-sterile, packed in racks, re-sealable bags or bulk bags. You will also find self-standing (skirted) 50 mL tubes, tubes with printed graduations and writing areas, metal-free tubes for trace analysis, amber tubes for light-sensitive samples, centrifuge tube filters, and caps or tubes sold separately. Products come from CELLTREAT, MTC Bio, Globe Scientific, Biologix, Labcon and others.

Start with volume and outside dimensions, which must fit your rotor or adapter; listings give sizes such as 17 x 118 mm for 15 mL and 29 x 115 mm for 50 mL. Choose sterile tubes for cell culture and sample work, and non-sterile bulk packs for general use. Decide between conical and self-standing bottoms, check the maximum RCF rating against your run speed, and compare the pack format, since racks are easier to handle and bags take less space.

15 and 50 ML Centrifuge Tubes: common questions

What are the dimensions of a 15 mL centrifuge tube?

Most 15 mL conical tubes are about 17 mm in outside diameter and roughly 118 to 120 mm long with the cap, and several listings in this category give 17 x 118 mm or 17 x 120 mm. A 50 mL conical tube is typically about 29 to 30 mm wide and 114 to 115 mm long. Dimensions vary slightly by manufacturer, so check the listing against your rotor buckets or adapters before ordering.

Are polypropylene centrifuge tubes better than polystyrene?

For most centrifuge work, yes. Polypropylene withstands higher centrifugal force and resists many organic solvents better than polystyrene, which is why it is the usual material for conical tubes. Polystyrene is clearer, which helps when you need to see small pellets or color changes, but it cracks more easily and is attacked by solvents such as acetone and chloroform. Always check the manufacturer's maximum RCF rating for the specific tube.

Should I buy sterile or non-sterile centrifuge tubes?

Use sterile tubes for cell culture, microbiology and any work where contamination would affect results, such as cell pellets or clinical samples. Non-sterile tubes are fine for buffer preparation, chemical samples and general storage, and they usually cost less per tube. Sterile tubes are often certified free of DNase, RNase and pyrogens, but confirm this on the individual product listing if your application needs it.

Can I return centrifuge tubes ordered from LPS?

Returns are accepted within 30 days by mail, with the customer paying return shipping. Sterile items are an exception and cannot be returned, which covers many of the tubes in this category, so confirm size, cap style and sterility before ordering. For large or repeat orders you can request volume pricing through the Contact Us page.

15 and 50 ML Centrifuge Tubes

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  1. United Scientific™ Centrifuge Tubes, 50ml, Sterile, Amber, Racked, 25 X 20
    Manufacturer: United Scientific Supplies
    Centrifuge Tube and Rack sets are a convenient solution for organizing and storing Conical Bottom tubes. Racks are made of expanded polystyrene (EPS) and include holes arranged in a zigzag format for easy dispensing. Racks contain 50 of the 15ml tubes or (500 per PK )
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    was $252.50 Special Price $221.09
  2. Centrifuge Tube, 15mL, Separate Red Screw Cap, PS, Printed Graduations
    SKU: 6268-CS
    Manufacturer: Globe Scientific
    Centrifuge Tube, 15mL, Separate Red Screw Cap, PS, Printed Graduations, CS500 (500 per CS)
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    was $252.50 Special Price $184.12
  3. Centrifuge Tube, 15mL, PS, Molded Graduations, 250/Bag, 4 Bags/Unit
    SKU: 6260-CS
    Manufacturer: Globe Scientific
    Centrifuge Tube, 15mL, PS, Molded Graduations, 250/Bag, 4 Bags/Unit, CS1000 (1000 per CS)
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    was $170.60 Special Price $124.39
  4. 15ml Amber Color Centrifuge Tube, Rack, PS Rack, Sterile 50/pk, 500/cs
    Manufacturer: Nest Scientific
    Printed Graduations (with marking area) Polypropylene tube and high density polyethylene cap High centrifugal strength - up to 10,000 x g Flat markable cap with leakproof seal One-hand operation design for the caps provides easy handling Sterilized by E-Beam Dnase, Rnase and pyrogen free (500 per CS )
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    was $221.53 Special Price $197.72
  5. Biologix 50ml clear PP sterile conical bottom centrifuge tubes with plug-seal caps, CS500
    Manufacturer: Biologix
    Biologix 50ml clear polypropylene sterile conical bottom centrifuge tubes with plug-seal screw caps assembled. tubes have writing patch and marked graduations. tubes come loaded into rack. 25 tubes/rack, 20 racks/case (500 per CS )
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    was $112.20 Special Price $89.85
  6. Centrifuge Tube, 50mL, with Attached Red Screw Cap, PP, Printed Graduations, 25/Bag, 20 Bags/Unit
    SKU: 6240-CS
    Manufacturer: Globe Scientific
    Centrifuge Tube, 50mL, with Attached Red Screw Cap, PP, Printed Graduations, 25/Bag, 20 Bags/Unit, CS500 (500 per CS)
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    was $320.30 Special Price $233.55
  7. 50mL Centrifuge Tube, Assorted Color Cap - Bag, Sterile, CS500
    Manufacturer: CELLTREAT Scientific Products
    Assorted color cap tubes allow easily color coding of samples for quick identification, customization, and increased productivity Users report coding each color to a day of the week, a member of the lab, or a specific procedure Each case of assorted color tubes (230411A and 230421A) comes with a free plastic rack, and 4 bags of each individual color (red, yellow, green, blue, purple) Graduations are printed in bold, easy-to-read black ink and are accurate to +/-2% Large white marking area provides excellent contrast for identification Easy to write on flat surface polyethylene (HDPE) caps feature integrated leak-proof seal Tubes include graduations molded into the conical bottom, ideal for pellet viewing and small volume quantification Convenient zip-closure bag is a practical alternative to folding and taping opened bags Plastic rack is manufactured from polypropylene and is autoclavable, reusable, and recyclable Chemically resistant to drips Design of bottom prevents racks from sticking/freezing to surfaces Widely spaced design catches drips and allows tubes to be retrieved more easily (500 per CS)
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    was $264.00 Special Price $172.81
  8. 50mL Centrifuge Tube, Yellow Cap - Bag, Sterile, CS500
    Manufacturer: CELLTREAT Scientific Products
    Assorted color cap tubes allow easily color coding of samples for quick identification, customization, and increased productivity Users report coding each color to a day of the week, a member of the lab, or a specific procedure Graduations are printed in bold, easy-to-read black ink and are accurate to +/-2% Large white marking area provides excellent contrast for identification Easy to write on flat surface polyethylene (HDPE) caps feature integrated leak-proof seal Tubes include graduations molded into the conical bottom, ideal for pellet viewing and small volume quantification Convenient zip-closure bag is a practical alternative to folding and taping opened bags (500 per CS)
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    was $251.00 Special Price $164.79
  9. 15mL Centrifuge Tube, Purple Cap - Bag, Sterile, CS500
    Manufacturer: CELLTREAT Scientific Products
    Assorted color cap tubes allow easily color coding of samples for quick identification, customization, and increased productivity Users report coding each color to a day of the week, a member of the lab, or a specific procedure Graduations are printed in bold, easy-to-read black ink and are accurate to +/-2% Large white marking area provides excellent contrast for identification Easy to write on flat surface polyethylene (HDPE) caps feature integrated leak-proof seal Tubes include graduations molded into the conical bottom, ideal for pellet viewing and small volume quantification Convenient zip-closure bag is a practical alternative to folding and taping opened bags (500 per CS)
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    was $219.00 Special Price $145.10
  10. 50 mL PerformR® Freestanding Centrifuge Tubes, in Bags, Sterile, CS500
    Manufacturer: Labcon North America
    Freestanding 50ml centrifuge tubes are available for use in those applications where a rack is not available. (500 per CS )
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    was $217.88 Special Price $190.65
  11. Centrifuge Tube, 15mL, Attached Red Screw Cap, PS, Printed Graduations, STERILE, 25/Bag, 20 Bags/Unit
    SKU: 6272-CS
    Manufacturer: Globe Scientific
    Centrifuge Tube, 15mL, Attached Red Screw Cap, PS, Printed Graduations, STERILE, 25/Bag, 20 Bags/Unit, CS500 (500 per CS)
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    was $296.00 Special Price $215.84
  12. Labcon Tube 50ML PP 50 BG W SKIRT, CS500
    Manufacturer: Labcon North America
    Freestanding 50ml centrifuge tubes are available for use in those applications where a rack is not available. (500 per CS )
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    was $216.78 Special Price $157.82
  13. Five-O™ 5mL Screw-cap MacroTube®, sterile, w/ attached screw caps in foam racks, 500/cs
    Manufacturer: MTC Bio
    5mL Screw-cap MacroTube®, sterile, w/ attached screw caps in foam racks, 500/cs (500 per PK )
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    was $127.26 Special Price $97.23
  14. 15mL Centrifuge Tube, Flip Top Cap - Bag, Sterile, CS500
    Manufacturer: CELLTREAT Scientific Products
    Ergonomic flip top cap is designed for single handed operation Graduations are printed in bold, easy-to-read black ink and are accurate to +/-2% Large white marking area provides excellent contrast for identification Easy to write on flat surface polyethylene (HDPE) caps feature integrated leak-proof seal Tubes include graduations molded into the conical bottom, ideal for pellet viewing and small volume quantification Convenient zip-closure bag is a practical alternative to folding and taping opened bags (500 per CS)
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    was $277.00 Special Price $184.47
  15. 50mL Centrifuge Tube - Bag, Sterile CS500
    Manufacturer: CELLTREAT Scientific Products
    Manufactured and packaged using an improved process, while maintaining standards Easy to write on flat surface polyethylene (HDPE) caps feature integrated leak-proof seal Graduations are printed in bold, easy-to-read black ink and are accurate to +/-2% Tubes include graduations molded into the conical bottom, ideal for pellet viewing and small volume quantification Large white marking area provides excellent contrast for identification Convenient zip-closure bag is a practical alternative to folding and taping opened bags (500 per CS)
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    was $224.00 Special Price $145.83
  16. TUBE ONLY, 50mL Centrifuge Tube, Sterile
    Manufacturer: CELLTREAT Scientific Products
    TUBE ONLY, 50mL Centrifuge Tube, Sterile (500 per CS )
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    was $160.00 Special Price $102.08
  17. Centrifuge Tube, 15mL, Attached Red Screw Cap, Acrylic, Printed Graduations, STERILE, 25/Bag, 20 Bags/Unit
    SKU: 6270-CS
    Manufacturer: Globe Scientific
    Centrifuge Tube, 15mL, Attached Red Screw Cap, Acrylic, Printed Graduations, STERILE, 25/Bag, 20 Bags/Unit, CS500 (1000 per CS)
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    was $291.72 Special Price $212.37
  18. 50 mL UVSafe® Centrifuge Tubes with Plug Style Caps, 50 per Bag, Sterile, CS500
    Manufacturer: Labcon North America
    These tubes are designed to block 100% of U.V. light They can be used instead of foil to shield samples sensitive to light radiation. (500 per CS )
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    was $222.65 Special Price $194.82
  19. 50 mL SuperClear® Centrifuge Tubes, 50 per Bag, Sterile, CS500
    Manufacturer: Labcon North America
    SuperClear tubes offer you a standard of performance not available from other brands of centrifuge tubes. (500 per CS )
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    was $173.30 Special Price $151.64
  20. TUBE & CAP, 50mL Centrifuge Tube & Cap - Non-sterile (Caps and Tubes Packed Separately, Bags of 50)
    Manufacturer: CELLTREAT Scientific Products
    TUBE & CAP, 50mL Centrifuge Tube & Cap - Non-sterile (Caps and Tubes Packed Separately, Bags of 50) (500 per CS )
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    $184.00
  21. Transport Tube, 50mL, with Separate Natural Screw Cap, PP, Printed Graduations, Conical Bottom, Self-Standing ** METAL-FREE **
    Manufacturer: Globe Scientific
    Transport Tube, 50mL, with Separate Natural Screw Cap, PP, Printed Graduations, Conical Bottom, Self-Standing ** METAL-FREE **, CS500 (500 per CS)
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    was $285.30 Special Price $208.04
  22. United Scientific® Coated Wire Rack, 15 mL Centrifuge Tubes, 15 Place, Blue
    Manufacturer: United Scientific Supplies
    United Scientific® Coated Wire Rack, 15 mL Centrifuge Tubes, 15 Place, Blue (1 per EA )
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    was $44.25 Special Price $33.54
  23. United Scientific™ Centrifuge Tubes, 50ml, Sterile
    Manufacturer: United Scientific Supplies
    Polypropylene tubes include blue High Density Polyethylene leak-proof screw caps. The tubes and caps feature specially-designed flat threads for vacuum-type closure that is leak-free at a pressure of >700mm Hg. Highly smooth hydrophobic internal surfaces (500 per PK )
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    was $175.50 Special Price $148.61
  24. 15 mL SuperClear® Centrifuge Tubes with Plug Style Caps, in Bulk, CS500
    Manufacturer: Labcon North America
    SuperClear tubes offer you a standard of performance not available from other brands of centrifuge tubes. (500 per CS )
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    was $145.33 Special Price $127.17
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