Caps and Closures

These popular caps fit plain end culture tubes and flasks with DeLong style necks or ports. The caps are molded from durable, autoclavable polypropylene (PP). They are available in a full range of five sizes and five colors for easy sample identification and organization. Recommended tube diameter is indicated on each cap. (500 per PK)

These popular caps fit plain end culture tubes and flasks with DeLong style necks or ports. The caps are molded from durable, autoclavable polypropylene (PP). They are available in a full range of five sizes and five colors for easy sample identification (1000 per PK)

Cap, Snap, 13mm, PE, for 13mm Glass and Evacuated Tubes and 12mm Plastic Test Tubes, Green, PK1000 (1000 per PK)

Cap, Plug, 12/13mm, Santoprene, for Vacuum and Test Tubes, BLACK, 1000/Pack, PK1000 (1000 per PK)

Cap, Flange Plug, 16mm, Clear, PK1000 (1000 per PK)

These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes and plastic culture tubes. They are precision molded from low-density polyethylene (LDPE) and maintain a tight seal during centrifugation, agitation and refrigeration procedures. They are available in bright translucent colors for sample identification purposes. The caps feature a single thumb tab for easy removal and close nesting in tube racks. (1000 per PK)

Cap, Universal, Fits most 12mm, 13mm and 16mm tubes, Black, PK1000 (1000 per PK)

These popular caps fit plain end culture tubes and flasks with DeLong style necks or ports. The caps are molded from durable, autoclavable polypropylene (PP). They are available in a full range of five sizes and five colors for easy sample identification and organization. Recommended tube diameter is indicated on each cap. (1000 per PK)

These popular caps fit plain end culture tubes and flasks with DeLong style necks or ports. The caps are molded from durable, autoclavable polypropylene (PP). They are available in a full range of five sizes and five colors for easy sample identification and organization. Recommended tube diameter is indicated on each cap. (1000 per PK)

These popular caps fit plain end culture tubes and flasks with DeLong style necks or ports. The caps are molded from durable, autoclavable polypropylene (PP). They are available in a full range of five sizes and five colors for easy sample identification and organization. Recommended tube diameter is indicated on each cap. (1000 per PK)

These popular caps fit plain end culture tubes and flasks with DeLong style necks or ports. The caps are molded from durable, autoclavable polypropylene (PP). They are available in a full range of five sizes and five colors for easy sample identification (1000 per PK)

Diamond Culture Tube Cap for 25mm Glass Culture Tubes, Blue, 100/Bag, 5 Bags/Carton, CS500 (500 per CS)

Cap, Plug, 12mm, Orange, PK1000 (1000 per PK)

Cap, Plug, 12mm, Yellow, PK1000 (1000 per PK)

Cap, Plug, 16mm, Green (10000 per CS)

Cap, Plug, 12mm, Orange (20000 per CS)

Cap, Snap, 16mm, PE, for 16mm Glass and Evacuated Tubes, White (10000 per CS)

Cap, Plug, 12mm, Lavender (20000 per CS)

These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes and plastic culture tubes. They are precision molded from low-density polyethylene (LDPE) and maintain a tight seal during centrifugation, agitation and refrigeration procedures. They are available in bright translucent colors for sample identification purposes. The caps feature a single thumb tab for easy removal and close nesting in tube racks. (6000 per CS)

Screw Cap, with Silicone Washer for Sample Tubes with External Threads, #'s: 6030-6059, White (1000 per PK)

Screw Cap, for Sample Tubes with External Threads, #'s: 6030-6059, Blue (1000 per PK)

Cap, Plug, Multi-Fit for most 10mm, 12mm, 13mm and 16mm Tubes, Dark Blue, PK1000 (500 per PK)

These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes and plastic culture tubes. They are precision molded from low-density polyethylene (LDPE) and maintain a tight seal during centrifugation, agitation and refrigeration procedures. They are available in bright translucent colors for sample identification purposes. The caps feature a single thumb tab for easy removal and close nesting in tube racks. (6000 per CS)

These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes and plastic culture tubes. They are precision molded from low-density polyethylene (LDPE) and maintain a tight seal during centrifugation, agitation and refrigeration procedures. They are available in bright translucent colors for sample identification purposes. The caps feature a single thumb tab for easy removal and close nesting in tube racks. (1000 per PK)