

Four-Sided Combination Test Tube Rack
$20.00(Ex GST)
- Four-sided combination rack for multiple laboratory tube sizes
- Rotates to any of four positions for flexible tube handling
- 40 place side for 12 mm tubes with 13 mm hole size
- 24 place side for 15 mL tubes, 20 place for 20 mm tubes
- 8 place side for 50 mL capacity tubes with 30 mm hole size
- Description
Description
The Universal Combi Rack is designed to hold a variety of test tube sizes in one convenient four-sided format. By simply rotating the rack, users can access different hole configurations to suit common laboratory tube capacities and diameters. This makes it a practical choice for teaching laboratories, preparation areas, and general bench work where multiple tube sizes are used throughout the day.
Its multi-position design helps reduce the need for separate racks, saving bench space while improving organisation during handling, storage, or demonstration work. The rack includes dedicated positions for 12 mm tubes, 15 mL capacity tubes, 20 mm tubes, and 50 mL capacity tubes, making it suitable for flexible use across a wide range of laboratory and educational applications.
FAQs
Q: What is the Universal Combi Rack used for?
A: It is used to hold different tube sizes in a single rack by rotating the rack to the required side.
Q: How many tube size combinations does it offer?
A: It offers four different tube holding positions.
Q: What tube sizes can it hold?
A: It holds 12 mm tubes, 20 mm tubes, 15 mL capacity tubes, and 50 mL capacity tubes.
Q: Can the rack be rotated during use?
A: Yes, the rack may be rotated to any of the four positions.
Q: Is this rack suitable for laboratories and classrooms?
A: Yes, it is suitable for laboratory, educational, and general bench use where multiple tube sizes are handled.
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Our Reviews
Emma Roberts
5 months ago
We ordered a set of customised BORO 3.3 borosilicate glassware for our teaching labs, and LabChoice Australia exceeded every expectation. From the first consultation to final delivery, their team listened carefully, offered expert advice, and ensured every piece matched our specifications perfectly.
The clarity and precision of the glassware are exceptional, and the quick turnaround made setup effortless. It’s refreshing to work with an Australian supplier who genuinely understands laboratory needs and takes pride in quality craftsmanship. We’ll definitely be returning to LabChoice for future glassware requirements
Michael Grant
6 months ago
Our lab required high-precision BORO 3.3 glassware for analytical testing, and LabChoice Australia delivered outstanding results. The ordering process was simple, communication was clear, and every beaker and flask arrived perfectly calibrated and ready for use.
The quality of the glass is exceptional — resistant to heat, easy to clean, and consistently accurate in measurement. It’s reassuring to know there’s an Australian supplier that combines scientific precision with genuine customer care. I’d recommend LabChoice to any research team looking for dependable labware
Sarah Nguyen
8 months ago
We needed a set of customised borosilicate glassware for a specialised project, and LabChoice Australia delivered exactly what we envisioned. The team worked closely with us from design to production, ensuring every detail met our specifications. The craftsmanship is exceptional, and the turnaround time was impressive. It’s reassuring to know we can rely on them for unique, made-to-order pieces
Dr. Emily Hart – Senior Research Scientist
9 months ago
LabChoice Australia has completely changed the way we source our lab glassware. The quality is consistently top-notch, and every piece meets the precision we need for reliable results. Their team knows their stuff, answers our questions quickly, and always goes the extra mile to help — they’re more like partners than just a supplier.
Mark Stevens
10 months ago
We trust LabChoice Australia because they deliver every time. Their borosilicate glassware is durable, accurate, and perfect for the high-heat work we do. Everything arrives well-packed with clear specs, so there are never surprises. It’s reassuring to deal with a supplier who understands both compliance and the demands of a busy lab
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