Please read description carefully.
Do not base your order on the picture presented.
Features of the Globe Scientific Flanged Plug Cap:
Globe Scientific's polyethylene (PE) flanged plug caps provides exceptional leak-resistance in test tubes, centrifuge tubes and round cuvettes. They feature two flexible flanges that press firmly against the inside wall of the tubes, thereby providing better leak-resistance than standard plug caps.
The caps are available in a 12mm, 13mm and 16mm sizes and in 9 beautiful colors for sample identification purposes.
Medex SKU: GSB-116152G