Caplugs® Evergreen 5 mL Round Bottom Test Tubes, 12 x 75 mm, Polystyrene (PS), Blue — 1000/Bag
The Caplugs® Evergreen 5 mL Round Bottom Test Tubes deliver clear, dimensionally consistent polystyrene tubes for routine sample handling, hematology aliquoting, and general bench assays. Molded in a 12 x 75 mm format with a smooth round bottom, these blue tubes provide optical clarity for visual inspection and reliable seating in standard 12 mm racks and analyzer carriers.
Technical Specifications
| Product Type | Round Bottom Test Tubes |
| Volume/Size | 5.0 mL, 12 x 75 mm |
| Material | Polystyrene (PS) |
| Color | Blue |
| Sterility | Non-Sterile |
| Pack Size | 1000/Bag |
| Country of Origin | USA |
Applications
- Sample aliquoting and short-term specimen holding at the bench
- Hematology and routine clinical chemistry sample prep
- Flow cytometry sample loading in 12 x 75 mm carriers
- Reagent dispensing and small-volume serial dilutions
- Immunoassay and agglutination setup requiring optical clarity
- General teaching-lab and QC handling where disposability matters
Quality & Procurement
labsupplies.com is an authorized Caplugs® Evergreen dealer shipping from US inventory, and these tubes are Made in USA.
Frequently Asked Questions
Are these test tubes sterile?
No. These polystyrene tubes are supplied non-sterile and are intended for general laboratory and disposable handling applications where sterility is not required.
What rack and instrument format do they fit?
The 12 x 75 mm outer dimension fits standard 12 mm tube racks and 12 x 75 mm analyzer carriers, including common flow cytometry sample positions.
Do these tubes include caps?
The listing covers tubes only; no closures are included. Compatible 12 mm caps and stoppers can be ordered separately for covered handling.
