Cap Insert for NEW CryoCLEAR vials, Red, 1000/Pack

Globe Scientifics polyethylene (PE) flanged plug caps provide 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.

These pierceable caps are great for recapping vacuum blood tubes and test tubes. They are produced from thermoplastic elastomer (TPE) and can easily be pierced with a syringe.

Guard samples against cross-contamination and laboratory work areas against infection and spillage with these universal snap caps. Precision molded from low-density polyethylene and designed to fit firmly on the tube. Closures are very sturdy under most rigorous procedures, including centrifugation. These polyethylene (PE) universal caps are designed for easy-on and easy-off use. Cap removal is simple and quick. Universal caps are ideal for recapping most 12mm, 13mm and 16mm evacuated glass blood collection tubes. Flexible closures protect from aerosols of highly infectious ...

Features Fit plain end culture tubes and flasks with DeLong style necks or ports Molded from durable, autoclavable polypropylene (PP) Ridges inside cap provide secure grip and gas exchange Available in five (5) colors for easy sample identification and organization Maintain sterility without cotton plugging Reduce sample evaporation compared to cotton plugging Provide same evaporation and sterility benefits as stainless steel closures

These disposable screwcap microcentrifuge tubes are available sterile or non-sterile. The sterile tubes include a cap with nitrile O-ring. The non-sterile tubes and caps are sold separately so that you have a choice of cap styles (with O-ring or without).