Ideal for recapping most 12 mm, 13 mm and 16 mm evacuated glass blood collection tubesDesigned for easy-on and easy-off use, featuring double thumb tabsFlexible closures protect from aerosols of highly infectious microorganisms.Guard samples against cross-contamination and laboratory work areas against infection and spillage.Precision-molded, low-density polyethylene (LDPE) designed to fit firmly on the tubeClosures remain sturdy under most rigorous laboratory procedures, including centrifugationColor-coded for easy sample identificationNot suitable for autoclavingThere are 1,000 blue snap cap tube closures in a bag. –> Shop About Us Contact Us Reviews and Ratings McKesson Tube Closure Snap Cap Blue Polyethylene 177-118115B 1000 per Bag McKesson | MFG #177-118115B McKesson’s line of laboratory supplies includes caps and closures to recap round cuvettes, centrifuge tubes, blood drawing tubes, glass test tubes, plastic culture tubes and more. McKesson’s laboratory caps are color-coded for easy identification. They protect samples from cross-contamination and help safeguard laboratory areas against infections and spills. Ideal for recapping most 12 mm, 13 mm and 16 mm evacuated glass blood collection tubesDesigned for easy-on and easy-off use, featuring double thumb tabsFlexible closures protect from aerosols of highly infectious microorganisms.Guard samples against cross-contamination and laboratory work areas against infection and spillage.Precision-molded, low-density polyethylene (LDPE) designed to fit firmly on the tubeClosures remain sturdy under most rigorous laboratory procedures, including centrifugationColor-coded for easy sample identificationNot suitable for autoclavingThere are 1,000 blue snap cap tube closures in a bag. Product Count: 1 Packaging Count: 1000 Total Quantity: 1000 Product Specifications McKesson Brand McKesson 12 mm / 13 mm / 16 mm (Universal) Blue Tube Closure