Most tube racks force a choice: buy a 15 mL rack or a 50 mL rack — two separate pieces of equipment taking up permanent bench space. The Heathrow Scientific HS24320 Pop-Up Tube Rack eliminates that trade-off. A single rack holds both 15 mL conical tubes in 21 dedicated 17mm wells and 50 mL conical tubes in 12 dedicated 29mm wells — covering the two most-used centrifuge tube sizes in one compact, collapsible unit.
The pop-up mechanism collapses the rack flat in seconds for drawer storage or stacking, then springs open fully when needed — no assembly, no tools. An alphanumeric identification grid across all 33 positions enables precise sample tracking without secondary labeling. Each order includes a Pack of 2 racks in your choice of Blue or Pink.
Features and Benefits
Dual-Format: Holds Both 15mL and 50mL Tubes: 21 wells (17mm) for 15 mL conical tubes and 12 wells (29mm) for 50 mL conical tubes in one rack — replaces two single-format racks.
Pop-Up Mechanism - Instant Open and Close: Collapses flat for compact storage and stacking between uses — pops fully open without assembly or adjustment when needed.
Stackable Design: Collapsed racks stack neatly on top of each other — ideal for labs ordering in bulk or rotating racks in and out of active use.
Alphanumeric Well Identification: All 33 positions are individually labeled for fast, accurate sample retrieval — compatible with LIMS tube tracking and lab notebook documentation.
Pack of 2 - Blue or Pink: Each order includes 2 racks in the same color — deploy across two workflows simultaneously or keep one as a backup.
Polypropylene Construction: Chemical-resistant and durable for everyday bench use in research, clinical, and industrial laboratory environments.
Specifications
| Property | Value |
|---|---|
| SKU Series | HS24320B (Blue), HS24320P (Pink) |
| Brand | Heathrow Scientific |
| Material | Polypropylene |
| 15mL Wells | 21 wells, 17mm diameter |
| 50mL Wells | 12 wells, 29mm diameter |
| Total Positions | 33 |
| Compatible Tubes | 15 mL and 50 mL conical tubes |
| Dimensions (L x W x H) | 10 x 5.4 x 2.8 in (25.5 x 13.7 x 7.2 cm) |
| Quantity | Pack of 2 |
| Colors Available | Blue, Pink |
| Weight | 1.14 lb per pack |
| Country of Origin | China |
Laboratory Applications
Cell culture workflows using both 15 mL and 50 mL conical tubes for media preparation, cell counting, and sample transfer steps
Molecular biology sample preparation where both tube sizes are active simultaneously — eliminating the need to swap between two dedicated racks
Space-constrained labs or shared benches where a collapsible, stackable design is essential to maximize available workspace
Biochemistry and protein work using standard Falcon-style conical tubes for precipitation, centrifugation, and fraction collection steps
Frequently Asked Questions
Does the combo rack hold both 15mL and 50mL tubes at the same time?
Yes. The HS24320 has two distinct well sections — 21 wells sized for 15 mL conical tubes (17mm) and 12 wells sized for 50 mL conical tubes (29mm). Both sections are available simultaneously, so you can run 15 mL and 50 mL tube workflows in parallel without switching racks.
How does the pop-up mechanism work?
The rack uses a spring-action polypropylene frame that collapses flat under light pressure and snaps open to full operating height when released. No latches, no assembly — open and close in under a second.
Can the collapsed racks be stacked?
Yes. Collapsed racks stack flat on top of each other, making bulk storage efficient. This is particularly useful for labs that purchase in case quantities and cycle through racks as disposables.
Is this rack autoclavable?
The HS24320 is not specifically rated for autoclave use. For applications requiring sterile tube racks, consider the Heathrow Scientific Fold & Snap or GFPP Peg Rack series, which are autoclavable.
Quality Assurance
Heathrow Scientific designs the Pop-Up Tube Rack for reliable everyday bench performance in research, clinical, and industrial labs. The polypropylene frame is tested for consistent pop-up action and stable well geometry across both the 15 mL and 50 mL tube sections.
Academic and Institutional Pricing
LabSupplies.com offers tiered quantity pricing for academic and research institutions. As an authorized dealer, we ship directly from USA inventory.