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Test Tubes and Racks
From test tubes and racks to the labels and boxes you’ll use them with. MIDSCI has got your needs covered.
We also have freezer racks and autoclavable racks, stackable storage boxes and freezer boxes, general storage containers and cryogenic storage refrigerators and tanks.
And let’s not forget the labels! Wash-off labels, removable labels, and labels that will never come off (if you need that).
There are so many other quality choices and options for all of these products. MIDSCI has a wide assortment of test tubes, including top-notch centrifuge tubes your research depends on. We carry everything from sterile centrifuge tubes that we promise won’t buckle during spins to specialty centrifuge tubes that are completely blacked out to preserve your light sensitive compounds.
MTC™ Bio Cardboard Freezer Boxes for 5 mL MacroTubes®
Durable, Eco-Friendly Storage for 5 mL Tubes.
MTC™ Bio’s 5 mL MacroTube® Cardboard Freezer Boxes provide a durable, eco-conscious solution for cold storage of 5 mL tubes. Made from recyclable cardboard with a liquid-resistant outer coating, these boxes are designed to perform in demanding lab environments. Each box ships fully assembled for immediate use and features liquid nitrogen drainage slots to prevent moisture buildup during ultra-low temperature storage.
Choose from two configurations
- 5 x 5 grid for 25 x 5 mL Snap-Cap tubes
- 6 x 6 grid for 36 x 5 mL Screw-Cap tubes
Both versions include an attached hinged lid and alpha-numeric coding for easy sample identification. A durable polycarbonate version is also available, ideal for extended use across extreme temperatures ranging from -196°C to +121°C.
Key Features
- Made from recyclable cardboard with liquid-resistant coating
- Shipped fully assembled for convenience
- Available in 5 x 5 (25 Snap-Cap) or 6 x 6 (36 Screw-Cap) configurations
- Numbered grid and alpha-numeric coding on all sides
- Includes hinged lid for secure storage
- Liquid nitrogen drainage slots for cryogenic applications
- Optional polycarbonate version (-196°C to +121°C temp. range)
MTC™ Bio Cryogenic Boxes with Hinged Lid
Polycarbonate, Autoclavable, Ultra-Low Temp Storage Boxes.
Cryogenic Boxes with Hinged Lids offer durable, long-term storage for 1.2 to 2.0 mL cryogenic vials, making them an ideal replacement for traditional cardboard freezer boxes. Constructed from high-strength polycarbonate, these boxes are built to withstand extreme temperatures from -196 to 121°C, including exposure to liquid nitrogen (LN) and autoclaving.
Designed for compatibility with standard 5.25 In. (133 mm) freezer racks, each box features a clear, hinged lid with printed alphanumeric indexing for fast and accurate sample identification. Drainage slots in the base allow safe use in LN vapor phase environments, enhancing safety and usability in cryogenic storage workflows.
Key Features
- Fits 1.2 to 2.0 mL cryogenic vials
- Polycarbonate construction – Withstands -196 to 121°C
- Fully autoclavable for sterility and reuse
- Clear hinged lid with printed index for easy sample tracking
- Standard 133 mm size fits all common freezer racks
- Drainage slots for LN safety in vapor phase storage
Perfect for biobanking, clinical, and research labs, these cryogenic storage boxes provide rugged durability, temperature resistance, and organized sample management for long-term low-temperature storage.
Specifications
Item # | Capacity | Lid | Material | Dimensions |
C2581 | 25 place (5 x 5) | Pull-Off Lid | Polycarbonate | 5.25 x 5.25 x 2 In. 133.35 x 133.35 x 50.8 mm |
R2281 | 81 place (9 x 9) | Hinged Lid | Polycarbonate | |
MID2100 | 100 place (10 x 10) | Hinged Lid | Polycarbonate |
Test Tube Racks
These autoclavable test tube racks are ideal for a variety of widely used laboratory tubes and vials. Manufactured in two sizes, these racks accommodate tubes ranging from 12 - 17 mm in diameter, including test tubes, culture tubes, FACS tubes, large cryogenic vials, transport vials and more. Shipped in an economical flat pack, these racks snap together to create a sturdy and durable workstation.
Molded alphanumeric grids along the sides assist in easy organization of samples. Available in 60 or 90 place, these heavy-duty polypropylene racks are autoclavable and can be safely used in water baths without floating.
- 90-place (6 rows of 15) for 12-14 mm tubes
- 60-place (5 rows of 12) for 15-17 mm tubes
- Molded alphanumeric grids
- Autoclavable polypropylene
80 - Well Racks
The popular fraction-collector-plate style racks keep tubes in large wells with conical bottoms. This easy-access design makes this rack ideal for freezer storage and organization. Available in natural, blue, green, pink, yellow, orange, or assorted colors (one of each).
- Holds 1.5 to 2.0 mL microtubes
- Versatile & efficient storage in bright, fluorescent colors
- Durable Polypropylene Construction
- Autoclavable
Specifications
Dimensions (D x W x H) | 226 x 67 x 28 mm 8.90 x 2.64 x 1.10 in. |
Max Tube Dimensions | 11 x 26 mm 0.43 x 1.02 in. |
Tube Size | Holds 1.5 to 2.0 mL Microtubes |
Formation | 80 Wells, 5 x 16 |
Proudly made in the USA! Click here for more made in America products!
96-Well PCR Rack
- 96-well, 8 x 12 format
- Holds 0.2ml PCR tubes, strip tubes, and plates (does not fit full skirted plates)
- Supplied with clear lift-off lids
Proudly made in the USA! Click here for more made in America products!
MIDSCI 1" Label Tape with 1" Core
Color coding tape is easy to write on and removes easily without leaving any sticky residue behind.
- The tape is strong, durable, oil-resistant, waterproof, and acid resistant.
- It can withstand temperatures from -23° to +121° Celsius (10° to +250° Fahrenheit).
- Colored Tape can be written on with a pen, pencil, or permanent marker.
- The tape will stick to most surfaces including glass, plastic, and metal.
Looking for ½” label tape click here – looking for ¾” label tape click here
Item # | Core Size | Tape Size | Color |
½" wide x 500" | |||
MIDSCI-T14-1 | 1" Core | 1/2"wide x 500" | White |
MIDSCI-T14-2 | 1" Core | 1/2"wide x 500" | Yellow |
MIDSCI-T14-3 | 1" Core | 1/2"wide x 500" | Green |
MIDSCI-T14-4 | 1" Core | 1/2"wide x 500" | Red |
MIDSCI-T14-5 | 1" Core | 1/2"wide x 500" | Orange |
MIDSCI-T14-6 | 1" Core | 1/2"wide x 500" | Blue |
MIDSCI-T14-7 | 1" Core | 1/2"wide x 500" | Pink |
3/4" wide x 500" | |||
Item # | Core Size | Tape Size | Color |
MIDSCI-T24-1 | 1" Core | 3/4" wide x 500" | White |
MIDSCI-T24-2 | 1" Core | 3/4" wide x 500" | Yellow |
MIDSCI-T24-3 | 1" Core | 3/4" wide x 500" | Green |
MIDSCI-T24-4 | 1" Core | 3/4" wide x 500" | Red |
MIDSCI-T24-5 | 1" Core | 3/4" wide x 500" | Orange |
MIDSCI-T24-6 | 1" Core | 3/4" wide x 500" | Blue |
MIDSCI-T24-7 | 1" Core | 3/4" wide x 500" | Pink |
1" wide x 500" | |||
Item # | Core Size | Tape Size | Color |
MIDSCI-T34-1 | 1" Core | 1" wide x 500" | White |
MIDSCI-T34-2 | 1" Core | 1" wide x 500" | Yellow |
MIDSCI-T34-3 | 1" Core | 1" wide x 500" | Green |
MIDSCI-T34-4 | 1" Core | 1" wide x 500" | Red |
MIDSCI-T34-5 | 1" Core | 1" wide x 500" | Orange |
MIDSCI-T34-6 | 1" Core | 1" wide x 500" | Blue |
MIDSCI-T34-7 | 1" Core | 1" wide x 500" | Pink |
Assorted colored packs | |||
Item # | Core Size | Tape Size | Number of Rolls in Set |
MIDSCI-T14-27 | 1" Core | 1/2"wide x 500" | 24 Rolls of assorted Colors |
MIDSCI-T24-27 | 1" Core | 3/4" wide x 500" | 16 rolls of assorted colors |
MIDSCI-T34-27 | 1" Core | 1" wide x 500" | 12 rolls of assorted colors |
MIDSCI 1/2" Label Tape with 1" Core
Color coding tape is easy to write on and removes easily without leaving any sticky residue behind.
- The tape is strong, durable, oil-resistant, waterproof, and acid resistant.
- It can withstand temperatures from -23° to +121° Celsius (10° to +250° Fahrenheit).
- Colored Tape can be written on with a pen, pencil, or permanent marker.
- The tape will stick to most surfaces including glass, plastic, and metal.
Looking for 1” label tape click here – looking for ¾” label tape click here
Item # | Core Size |
Tape Size |
Color |
½" wide x 500" |
|||
MIDSCI-T14-1 | 1" Core |
1/2"wide x 500" |
White |
MIDSCI-T14-2 | 1" Core |
1/2"wide x 500" |
Yellow |
MIDSCI-T14-3 | 1" Core |
1/2"wide x 500" |
Green |
MIDSCI-T14-4 | 1" Core |
1/2"wide x 500" |
Red |
MIDSCI-T14-5 | 1" Core |
1/2"wide x 500" |
Orange |
MIDSCI-T14-6 | 1" Core |
1/2"wide x 500" |
Blue |
MIDSCI-T14-7 | 1" Core |
1/2"wide x 500" |
Pink |
3/4" wide x 500" |
|||
Item # | Core Size |
Tape Size |
Color |
MIDSCI-T24-1 | 1" Core |
3/4" wide x 500" |
White |
MIDSCI-T24-2 | 1" Core |
3/4" wide x 500" |
Yellow |
MIDSCI-T24-3 | 1" Core |
3/4" wide x 500" |
Green |
MIDSCI-T24-4 | 1" Core |
3/4" wide x 500" |
Red |
MIDSCI-T24-5 | 1" Core |
3/4" wide x 500" |
Orange |
MIDSCI-T24-6 | 1" Core |
3/4" wide x 500" |
Blue |
MIDSCI-T24-7 | 1" Core |
3/4" wide x 500" |
Pink |
1" wide x 500" |
|||
Item # | Core Size |
Tape Size |
Color |
MIDSCI-T34-1 | 1" Core |
1" wide x 500" |
White |
MIDSCI-T34-2 | 1" Core |
1" wide x 500" |
Yellow |
MIDSCI-T34-3 | 1" Core |
1" wide x 500" |
Green |
MIDSCI-T34-4 | 1" Core |
1" wide x 500" |
Red |
MIDSCI-T34-5 | 1" Core |
1" wide x 500" |
Orange |
MIDSCI-T34-6 | 1" Core |
1" wide x 500" |
Blue |
MIDSCI-T34-7 | 1" Core |
1" wide x 500" |
Pink |
Assorted colored packs |
|||
Item # | Core Size |
Tape Size |
Number of Rolls in Set |
MIDSCI-T14-27 | 1" Core |
1/2"wide x 500" |
24 Rolls of assorted Colors |
MIDSCI-T24-27 | 1" Core |
3/4" wide x 500" |
16 rolls of assorted colors |
MIDSCI-T34-27 | 1" Core |
1" wide x 500" |
12 rolls of assorted colors |
MIDSCI 3/4" Label Tape with 1" Core
Color coding tape is easy to write on and removes easily without leaving any sticky residue behind.
- The tape is strong, durable, oil-resistant, waterproof, and acid resistant.
- It can withstand temperatures from -23° to +121° Celsius (10° to +250° Fahrenheit).
- Colored Tape can be written on with a pen, pencil, or permanent marker.
- The tape will stick to most surfaces including glass, plastic, and metal.
Looking for ½” label tape click here – looking for 1” label tape click here
Item # | Core Size |
Tape Size |
Color |
½" wide x 500" |
|||
MIDSCI-T14-1 | 1" Core |
1/2"wide x 500" |
White |
MIDSCI-T14-2 | 1" Core |
1/2"wide x 500" |
Yellow |
MIDSCI-T14-3 | 1" Core |
1/2"wide x 500" |
Green |
MIDSCI-T14-4 | 1" Core |
1/2"wide x 500" |
Red |
MIDSCI-T14-5 | 1" Core |
1/2"wide x 500" |
Orange |
MIDSCI-T14-6 | 1" Core |
1/2"wide x 500" |
Blue |
MIDSCI-T14-7 | 1" Core |
1/2"wide x 500" |
Pink |
3/4" wide x 500" |
|||
Item # | Core Size |
Tape Size |
Color |
MIDSCI-T24-1 | 1" Core |
3/4" wide x 500" |
White |
MIDSCI-T24-2 | 1" Core |
3/4" wide x 500" |
Yellow |
MIDSCI-T24-3 | 1" Core |
3/4" wide x 500" |
Green |
MIDSCI-T24-4 | 1" Core |
3/4" wide x 500" |
Red |
MIDSCI-T24-5 | 1" Core |
3/4" wide x 500" |
Orange |
MIDSCI-T24-6 | 1" Core |
3/4" wide x 500" |
Blue |
MIDSCI-T24-7 | 1" Core |
3/4" wide x 500" |
Pink |
1" wide x 500" |
|||
Item # | Core Size |
Tape Size |
Color |
MIDSCI-T34-1 | 1" Core |
1" wide x 500" |
White |
MIDSCI-T34-2 | 1" Core |
1" wide x 500" |
Yellow |
MIDSCI-T34-3 | 1" Core |
1" wide x 500" |
Green |
MIDSCI-T34-4 | 1" Core |
1" wide x 500" |
Red |
MIDSCI-T34-5 | 1" Core |
1" wide x 500" |
Orange |
MIDSCI-T34-6 | 1" Core |
1" wide x 500" |
Blue |
MIDSCI-T34-7 | 1" Core |
1" wide x 500" |
Pink |
Assorted colored packs |
|||
Item # | Core Size |
Tape Size |
Number of Rolls in Set |
MIDSCI-T14-27 | 1" Core |
1/2"wide x 500" |
24 Rolls of assorted Colors |
MIDSCI-T24-27 | 1" Core |
3/4" wide x 500" |
16 rolls of assorted colors |
MIDSCI-T34-27 | 1" Core |
1" wide x 500" |
12 rolls of assorted colors |
Pipette Racks
Available in acrylic or ABS plastic
Both versions hold 0.1 to 25 mL pipets or cans. Racks feature four angled compartments. The ABS plastic version comes with optional attachments to hold pipet bulbs and pipet fillers on both sides of the rack. Cut-out "windows" on the ABS version makes the viewing of enclosed pipets easy. Magnetized version has strong magnets on both sides and mounts securely on fume hoods, file cabinets, and refrigerators. Measures 3.5 x 11.5 x 16".
Item # | Description |
HS20611 | Clear Acrylic Manual Pipet Rack |
HS20612 | Blue ABS Manual Pipet Rack |
HS20613 | Red ABS Manual Pipet Rack |
- Supports a variety of different tube sizes and styles
- Withstands autoclaving, freezing, or use in Water baths
- Small footprint - easily used under a hood or on a benchtop
- Assorted Fluorescent Colors: Blue, Green, Orange, Pink, Yellow
Each rack can be rotated to support a variety of tube sizes including:
- 4 x 50 mL conical tubes
- 12 x 15 mL conical tubes
- 32 x 1.5 / 2.0 mL microtubes
- 32 x 0.5 mL microtubes
Proudly made in the USA! Click here for more made in America products!
PCR Stackable Rack
Removable Rack holds standard plate tubes or strip tubes. Designed for convenience & versatility, this rack can be used while you are working or as a storage rack. Ideal platform to satisfy all pre- or post-PCR sampling applications. Available in assorted fluorescent colors: Blue, Green, Orange, Yellow, and Pink.
- Tube wells are alpha-numerically matrixed with raised bold type for quick identification
- Four retainer clips hold the tray firmly in place, yet allow fast and convenient removal when necessary
- Supplied with clear lift-off lids
Specifications
Dimensions w/ Lid (D x W x H) | 170 x 110 x 105 mm 6.69 x 4.33 x 4.13 in. |
Dimensions w/o Lid (D x W x H) | 170 x 110 x 78 mm 6.69 x 4.33 x 3.07 in. |
Tube Size and Formation | Holds 32 0.2 mL PCR Tubes, or 24 1.5 / 2.0 mL Microtubes, or 16 0.5 mL Microtubes |
Proudly made in the USA! Click here for more made in America products!
96-Place PCR Work Up Racks
96-Place WorkUp Rack and Lid (WR-96 Series)
The working storage rack for PCR processing holds 0.2 mL PCR tubes, strip tubes, and plates (does not fit full-skirted plates). Supplied with clear lift-off lids and designed with standard spacing. Available in assorted fluorescent colors: Blue, Green, Orange, Yellow, and Pink.
Stacking 96-Well PCR WorkUp Rack and Lid (WUR-96A)
PCR Rack fits 0.2 mL PCR tubes, strip tubes, or 96-well plates (including skirted plates). The polypropylene rack and lid click firmly for easy stacking and secure transportation/storage. Available in assorted colors: Blue, Green, Yellow, Violet, and Red.
- Accommodates non-skirted, semi-skirted, and skirted 96-well PCR plates
- Durable polypropylene construction
- Supplied lid clicks into place
- Operating temp: -80°C to 121°C
- Rack capacity options: One 96-well PCR plate, Ninety 0.2 mL PCR tubes, or Ninety-Six strip tubes