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 (1000 per PK)

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

Cap, Plug, Multi-Fit for most 10mm, 12mm, 13mm and 16mm Tubes, Red, PK1000 (1000 per PK)

United Scientific® Screw Cap With Bonded Rubber Liner, 18-415 Thread Finish (500 per PK )

Cap, Plug, 16mm, Santoprene, for Vacuum and Test Tubes, WHITE, 1000/Pack, PK1000 (1000 per PK)

Cap, Plug, 12mm, White, 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, Flange Plug, 16mm, Lavender, PK1000 (1000 per PK)

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

Snap-Cap Size #4, Fits 2303A-200, 250 (1 per EA )

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)

United Scientific® Screw Cap With Bonded Rubber Liner, 15-415 Thread Finish (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)

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)

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

Cap, Snap, 16mm, PE, for 16mm Glass and Evacuated Tubes, White, PK1000 (1000 per PK)

Cap, Snap, 16mm, PE, for 16mm Glass and Evacuated Tubes, Red, PK1000 (1000 per PK)

Cap, Universal, Fits most 12mm, 13mm and 16mm tubes, Yellow, 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. (6000 per CS)

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

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)

58-400mm Polypropylene Cap/F217 Lined, CS100 (100 per CS)

Cuvette caps(ORANGE)round,pk of 100 for Ultra-micro cuvette (100 per PK)