Microtubes and Racks

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Microtubes and Racks

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Microtubes and Racks

PHENIX carries multiple lines of microcentrifuge tubes and racks. Because our customers have asked for a variety of different tubes, we want to provide as many quality options as possible.

We carry 3 main brands of tubes:

  1. Xtreme Series - Our Best Selling Brand Of Microtubes
  2. PHENIX Brand - Our Most Versatile Microtubes
  3. Eppendorf - The Industry Leader In Microtubes

We also have one of the widest varieties of racking options for both microcentrifuge tubes and larger tubes. This includes freezer storage, beta boxes, and adjustable flipper racks for versatile benchtop microtube storage. Be sure to check out our innovative line of microtube bench top chillers. 


  • 1.5mL Graduated Microcentrifuge Tubes

    Crystal-clear polymer facilitates visualization of samples Rated to 20,000 x G Graduations at every 100 μL for easy volume estimation Temperature range: -80°C to +121°C Certified free of detectable RNase, DNase, DNA, PCR inhibitors, and tested pyrogen-free Sterile product…

  • 2.0mL MaxyClear Snaplock Microcentrifuge Tubes


    Axygen® 2.0mL MaxyClear Microtubes are available in a variety of colors, sterile, and Maxymum Recovery®. All Axygen Snaplock Microtubes have frosted cap surfaces for labeling, frosted panels on the side for writing, and a piercing port in the center of the cap. Will withstand up to…

  • Phenix Low Retention Microtubes

    Phenix Research Products

    Natural Low Retention Microtubes, Phenix Brand, 250/Unit, PP, Certified RNase/DNase and DNA Free. This tube is not boil-proof.

  • 4-Way Tube Racks, Large racks for 8 x 50ml, 24 x 15ml, 20 x 20mm, or 40 x 5ml …


    Supplied in assorted colors Autoclavable

  • Conical Bottom Screw Cap Tubes


  • Posi-Click tube, 0.6ml violet color (1000/PK)


    Boil-proof cap Withstand 28,000 x g Easy to open, easy to close Double, high pressure locking ring RNase, DNase and pyrogen free Unsurpassed clarity Frosted writing surface and graduations Ultra smooth interior-low liquid retention Made from highest…

  • 2.0mL Screw Cap Tubes


    Axygen® 2.0mL Self Standing, Screw Cap Tubes feature screw caps that provide a tight secure seal. Will withstand up to 20,000 RCF Screw cap contains O-rings to assure efficient sealing and avoid evaporation Certified RNase-/DNase-free and nonpyrogenic for total sample integrity

  • Axygen® Microcentrifuge Non-Looped Screw Caps, with O-ring, Assorted Color,…


    Axygen® Screw caps with O-rings. Available in a variety of colors.

  • Rack for MacroTubes™

    MTC Bio

    Rack for 50 x 5ml MacroTubes, flip top or screw top .

  • Xtreme Series Ultra Clear Microtubes

    X-treme Series

    Certified RNase/DNase and DNA Free.

  • Screw Cap Graduated Microcentrifuge Tubes

    Stockwell Scientific

    Max. Force (RCF): 18,000 Brittleness Temp.: -40°C Max. Temp.: 121°C Material: PP-CO

  • Cryovial® Workstation Racks


    Made of polypropylene This handy autoclavable rack can hold up to 50 cryogenic vials. Now with one hand, you can easily unscrew a Simport® Cryovial® closure. Thanks to an innovative universal locking system, the vials will securely lock in each well and will not turn. Each position…

  • Revolver Flipper Workstation

    Revolver Flipper--the Ultimate workstation! Add or subtract rack units to suit your needs. PCR workstation options: 48 x 0.2 mL tubes per block. 6 x 8 tube strips per block. 8 x 12 tube strips per 2 blocks. 1 x non-skirted or semi-skirted 96 well plate per 2 blocks. Four…

  • Xtreme Series Boilproof Microtubes

    X-treme Series

    Certified RNase/DNase and DNA Free.

  • 4-Way Flipper Racks

    Small footprint is perfect for the benchtop or under the hood. Suitable for use in ultra-low temperature freezers (-90°). Available in standard or interlocking versions. Accommodates all popular tube sizes, from 0.5 mL to 50 mL, and 20-25 mm. Rugged polypropylene construction. …

  • 5mL Five-O™ Screw Cap MacroTubes™

    MTC Bio

    MTC Bio’s 5mL Five-O™ MacroTubes™ take all of the conveniences of standard 15mL conical tubes and scales them down for space efficiency and decreased natural resource consumption. Useful from -86°C to 110°C, these tubes are a valuable resource for boiling and for sample…

  • Microtube Box, Box, 100 x 1.5ml, with lid, 10/Pack


    Recyclable expanded polystyrene Snug fitting lid with finger grips 100 x 1.5 to 2.0ml Accepts regular or screw cap tubes in 5 rows of 20. Holes are alpha-numerically indexed. Dimensions: 3.75 x 13.25 x 2.5 inch (WxLxH).

  • Self-Standing 1.5ml Screw Cap Tubes and Caps with "O" Rings


    Axygen® 1.5mL Self Standing, Screw Cap Tubes feature screw caps that provide a tight secure seal. Will withstand up to 20,000 RCF Screw cap contains O-rings to assure efficient sealing and avoid evaporation Certified RNase-/DNase-free Nonpyrogenic

  • Sliplock Flipper Racks

    Slide racks together. Lock for bigger workstation. Stack for storage. Fits into standard freezer racking. Autoclavable. Capacity: 16 x 0.5 mL tubes per rack. 24 x 1.5/2.0 mL tubes per rack. 60 x 0.1/0.2 mL PCR tubes per rack. 12 x 8-strip or 11 x 12-strip PCR tubes…

  • Floater Racks

    Molded-in buoys give exceptional stability in a water bath. Can be placed in an ice bath. The hinged lid container can be used as a mini-ice bath. Capacity: 24 x 1.5/2.0 mL and 15 x 0.5 mL tubes. Rack comes with lid.

  • Tube & Cap Assemblies

    Numerous tube & cap options to form an ideal combination for specific applications, assembled for your convenience. Manufactured from high-clarity, ultra-pure polypropylene (meets FDA 21 CFR 177.1520 & USP Class VI). Suitable for a wide range of temperatures—from -196°C…

  • 32-Place Junior Flipper Racks

    32-Place Junior Flipper (4 x 8 format) Perfect for sequencing. Side A: 32 x 1.5/2.0mL + 8 x 0.5 mL Side B: 32 x 0.5 mL + 8 x 1.5/2.0 mL

  • Tamper Evident Micrewtube®


    Tamper Evident Micrewtube® with washer seal flat top cap Made of polypropylene Ideal for applications requiring a tamper evident seal Available either plain or with printed graduations and white marking area for sample identification. Washer seal screw caps incorporates a flat…

  • Green External Caps for 96 Format Tubes

    Green External Caps for 96 Format Tubes, Bulk, 960 Caps/Case, Non Sterile, DNase, RNase, DNA and Endotoxin Free.

  • Prefilled Cap Carrier Rack with 96 Format Green External Caps

    Prefilled Cap Carrier Rack with 96 Format Green External Caps, 5 Racks/Carriers per Stack, 2 Stacks per Case.

  • Screwcap Tubes

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