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)

Test Tube Screw Closure Red, PP/LDPE (100 per PK)

Plastic test tubes with color coded screw caps are available in a choice of blue, red, yellow and white. Kartell 16mm test tubes have quick closure screw caps. Plastic test tubes are leakproof and suitable for centrifugation up to 4000xg. (100 per PK)

Colored Starline Caps For Starline Narrow Mouth Containers White Screw cap size: 38-430. New polypropylene caps are available in natural white red blue and green. Superior Double Seal Closure. Guaranteed to be leakproof. No-Drip Pour Lip. For safe clean dispensing. (72 per CS )

Sample Bottles Narrow Mouth For Sub Surface Grab Samplers I and II. Convenient flats on sides for ease in handling. Repeatedly autoclavable sample bottle is supplied with a PTFE lined cap. (1 per EA)

Polypropylene Dropper Tip Caps Screw cap size: 20-410 Pink Convenient lab packs for laboratory trials or where smaller quantities are needed. Colored caps facilitate rapid identification of individual samples and allow for coding of multiple product lines. Autoclavable. (100 per CS )

Snap Caps Natural Polyethylene 22mm All sizes have tabs for easy removal. Wheaton Science Products completes your package with the right closure. We provide a wide variety of caps seals and stoppers to ensure a perfect fit for your container. (200 per CS )

18-400mm Phenolic Cap/PE Cone Liner, CS100 (100 per CS)

48-400mm Polypropylene Cap Unlined, CS100 (100 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 (1000 per PK)

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

33-400mm Polypropylene Cap Unlined, CS100 (100 per CS)

Cap, White, LDPE 7/10Dr, Bulk BK/7,500 (7500 per BK )

PTFE Standard Taper Key-Head Stopper Flask Length Joint Solid color-coded black. Standard taper size 9 with 14.0mm ground length.

Black Plastic Caps for Media Bottles Solid polyethylene-lined caps designed for distilled water analytical standards and reagents. Cap size: 33mm-430. (200 per CS )

ABC Vial Offers superior thread design provides a more secure seal to the closure.40% larger neck opening. Supplied with Wheaton Super Septa low extractable vial septa - optimal for GC/MS. Packaged in recyclable PETE clamshells to reduce particulate contamination. (1000 per CS )

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)

Snap-Cap Size #1, Fits 2303A-10 (1 per EA )

Snap-Cap Size #5, Fits 2303A-500 (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)

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)