Lab Caps and Closures

These tube closures provide exceptional leak resistance in 12 millimeter test tubes, centrifuge tubes and round cuvettes. Two flexible flanges press firmly against the tube's inside wall for enhanced leak resistance than standard plug caps. There are 1,000 no-color, 12 mm flange plug tube...

Ideal for recapping most 12 mm, 13 mm and 16 mm evacuated glass blood collection tubes Designed for easy-on and easy-off use, featuring double thumb tabs Flexible closures protect from aerosols of highly infectious microorganisms. Guard samples against cross-contamination and laboratory work areas against...

Nonsterile, yellow flanged plug caps are 13 millimeters. They're for use with 13 mm blood drawing tubes, glass test tubes, plastic culture tubes. Made of polyethylene Sterility

Effective solution for recapping blood drawing tubes, glass test tubes or plastic culture tubes. Precision-molded, low-density polyethylene (LDPE) to maintain a tight seal during centrifugation, agitation and refrigeration procedures. Color-coded for easy sample identification. Tabbed design for easy cap removal. Single-thumb tab design allows...

White, 13-mm, flanged plug cap polyethylene tube closure is an effective solution for recapping blood drawing tubes, glass test tubes or plastic culture tubes. Precision-molded to maintain a tight seal during centrifugation, agitation and refrigeration procedures

16-millimeter flanged plug cap, polyethylene tube closures are an effective solution for recapping blood drawing tubes, glass test tubes or plastic culture tubes. Blue color helps you organize tubes using color coding. Precision-molded to maintain a tight seal during centrifugation, agitation and refrigeration procedures....

16-millimeter, white flanged plug cap, polyethylene tube closures are an effective solution for recapping blood drawing tubes, glass test tubes or plastic culture tubes. Precision-molded to maintain a tight seal during centrifugation, agitation and refrigeration procedures.

Caps provide a barrier that helps protect laboratory workers and others from potential exposure to urine-borne pathogens and hazardous substances that may be present in the sample contained within Urin-Tek urine collection tubes (also known as Number 4204 Bayer sample tubes). There are 500...

Globe Scientific's dual position caps are innovative and versatile laboratory accessories designed to fit 12-milllimeter tubes, enhancing functionality and flexibility in various lab settings. These dual position caps are tailored to support complex laboratory tasks requiring flexibility in sample exposure to environmental conditions. There...

The Uni-Flex Safety Cap liquid tight seal ensures sample integrity and prevents spillage of serum samples. Uni-Flex Safety Caps protect your laboratory staff from the aerosols of highly infectious organisms such as TB and the HTLV-III virus. The Uni-Flex Safety Cap is designed to...

For use with 12, 13 and 16 mm evacuated glass blood collection tubes and plastic test tubes Designed for easy-on and easy-off use, featuring double thumb tabs. Flexible closures protect from aerosols of highly infectious microorganisms. Guard samples against cross-contamination and laboratory work areas...

The Uni-Flex Safety Cap liquid tight seal ensures sample integrity and prevents spillage of serum samples. Uni-Flex Safety Caps protect your laboratory staff from the aerosols of highly infectious organisms such as TB and the HTLV-III virus. The Uni-Flex Safety Cap is designed to...

Tube closures are just what you need for recapping most 16 mm evacuated glass blood collection tubes. Single thumb tab makes for easy-on and easy-off use. Flexible closures protect from aerosols of highly infectious microorganisms. Guard samples against cross-contamination and laboratory work areas against...