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…

The new and improved CG-1167 HPLC Cap system provides the safest and most economical way of storing high performance, low pressure liquid chromatography mobile phase, sparging preventing bubbles from entering the system as well as collecting sample waste.The bottle is blue tinted plastic coated…

An inexpensive bottle cap for either GL-45 or GPI-38 threads that permits standard solvent or media bottles to be used as an HPLC reservoir. Caps have two holes to accomodate 1/8" tubing and one hole that accepts a standard luer inner joint. Caps are made from polypropylene and the inserts are…

For use with 18mm screw necks, 13-18mm Culture Tubes, 18-25mm Culture Tubes, 38mm Culture Tubes, 25-50ml Erlenmeyer Flasks, 125-300ml Erlenmeyer Flasks, 500-1000ml Erlenmeyer Flasks, 25-125ml DeLong Flasks and 250-6000ml DeLong Flasks. Sealed-in Silicone Sponge filters are the ideal for aerobic…

FOAM PLUGS FOR TEST TUBES AND LABORATORY FLASKS, INDENTI-PLUGS, Economical Open-cell, 1.45 lb. uniform-density foam Breathable and non-absorbent Use over a wide temperature range Autoclavable Chemical resistant Proven safe for algae culturing Identi-Plugs® are…

Caps are designed to fit GL 45 threaded ware. Autoclavable Solid top polypropylene Cap colors available in blue, white, orange, gray, green, or pink High-temperature version with red cap available

Thomas No. 1148R80 & 1148R81 (for internal thread tubes) Mobile, battery-operated 8 channel decapper for table use Capping/Decapping 8 tubes at once Integrated dropping mechanism   Thomas No. 1148R82 (for external thread tubes) Semi-Automated…

Foxx Life Sciences PUREGRIP® HPLC Solvent Reservoir Caps and Bottle system offer the safest and most ergonomic lab safety solution in the industry. This system come with VersaCap®, a Class VI PTFE Manifold, chemically resistant Viton O-Ring & Air Inlet Valve combined with a Foxx 25mm,…

These autoclavable caps are designed to ensure the ultimate in product safety. The liners are white styrene-butadiene faced with Teflon.

Threaded cap fits CG-172 outer joint, Rodaviss®. When used with CG-305 Viton o-rings, provides for greaseless high vacuum seal.

National Target DP 9mm closures are designed to help chromatographers achieve more reliable and efficient sample analysis. Designed to accommodate nearly all chromatography autosamplers fitted for 12 x 32cm vial trays, the C5000 series closure effectively eliminates septa push-through and…

Fits most 13mm glass tubes Fits most 13mm glass evacuated blood collection tubes Fits most 12mm plastic culture tubes Thumb tab for easy removal Polyethylene (LDPE) 1000 caps per sealed bag Assorted colors available These colorful snap on closures are an effective way to recap 13mm…

Black Phenolic Polyseal™ Cone Lined Caps form an exceptionally tight seal and offer a good chemical barrier. This liner molds itself around the sealing areas of the finish as the cap is screwed on, virtually eliminating leakage, evaporation, contamination, binding, and backing off.

Prevent leakage under demanding conditions. Thermo Scientific™ Screw Cap Microcentrifuge Tube Caps feature o-rings to form a secure seal. Optimized for secure short term storage in low temperatures, these autoclavable screw caps are available in a variety of colors, and adapt to your…

Bonded Teflon®-faced silicone liners White, autoclavable caps have a bonded Teflon-Faced Silicone Liner making them suitable for storage and containment of volatile solvents, sensitive compounds and corrosive chemicals.  The liners consist of 0.055” of Silicone and 0.005”…

These reusable Corning® caps are fabricated specially formulated phenolic resin to resist the effects of temperature and steam in autoclaving. Caps are provided with a glued-in white rubber liner.

Solid virgin PTFE liners can be manually inserted into closure and maintains a snug friction fit. PTFE liners are also available in other sizes and thicknesses.

The reusable KIMBLE® silicone lids stretch easily and adapt to many container sizes, improves lab safety, enhances sample management, offers a more sustainable and cost-effective solution over foils, films and other single-use covers.

Made of Polypropylene T504AQX screw cap incorporates a pierceable septum made of chemically resistant PTFE on the outside and silicone on the inside, both components being stable over a broad range of temperatures. The septum also acts as a silicone O-ring for better sample protection. It is…

The 12-place cuvette holder is made from polyethylene (PE) and holds 12 cuvettes in place for preparation work, storage and protection from tipping over. When in storage, the racks are stackable. Dimensions: 170mm x 50mm x 15mm. The caps are produced from low density polyethylene (LDPE) and…

Screw threads Choice of six liners

labForce Brand pre-assembled closures and septa come ready to use. Designed to work in robotic arm autosamplers. Select the closure and liner combination for your sampling requirements.

SuperClear® Screw Cap Microcentrifuge Tubes include caps with molded-in elastomeric seal or ethylene propylene O-Rings and are ideal for any sample processing application. Excellent for frozen storage or when working with hazardous or valuable materials. Packed 500 in a bag and 10 bags in a…

Polyethylene stopper caps to fit a variety of general purpose test tubes

Snap Caps are designed for KIMAX volumetric flasks Yellow polyethylene Caps may not be usable with items lacking necks specially tooled to proper diameters and contours Fits 100mL volumetric flasks

Black Phenolic F217 & PTFE Lined Caps are known for providing the widest range of chemical compatibility and for being the most temperature tolerant of plastic closures. Foam backed PTFE liners resist attack from virtually all chemicals at room temperature and provides resilience for a tight…

Flip Top Caps are ideal on the workbench for dispensing small amounts of liquid. They are made of durable polypropylene and are unlined. Orifice is 3.0mm.

Medium durometer PTFE / silicone septum Allows for good resealability, core resistance, multiple injections and easy penetration

Ideal for high purity chemicals, strong acids, solvents Excellent for environmental samples, pharmaceuticals and diagnostic reagents Teflon-faced foamed polyethylene liner offers the excellent chemical resistance of Teflon with the compressibility and sealing properties of polyethylene foam.

Fits most 16mm tubes Polyethylene (PE) Assorted colors available