Mckesson Red Tube Closure, 12, 13 And 16 Mm, Sold As 1000/Bag Mckesson 177-118115R Ideal For Recapping Most 12, 13 And 16 Millimeter 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 Infection And Spillage Precision-Molded, Low-Density Polyethylene (Ldpe) Designed To Fit Firmly On The Tube Closures Remain Sturdy Under Most Rigorous Laboratory Procedures, Including Centrifugation. Color-Coded For Easy Sample Identification Not Suitable For Autoclaving There Are 1,000 Red Snap Cap Tube Closures In A Bag. Cap, Snap Univ Poly Red (1000/Bg) Mckesson Tube Closure Polyethylene Snap Cap Red 12 Mm / 13 Mm / 16 Mm (Universal) Fits Most 12Mm, 13Mm And 16Mm Evacuated Glass Blood Collection Tubes And Plastic Test Tubes Nonsterile MckessonSku: Mck-1082095_Bg Mfgr Sku: 177-118115R1082095_BgShips In 2-7 Days