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.

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…

Foxx Life Sciences’ VersaCaps and adapters allow users to easily customize carboys and Heavy Duty Vacuum Bottles for a variety of applications. VersaCap adapters are available with a variety of hose barb sizes and configurations, including molded in hose barbs and quick-connect hose barbs.…

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…

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

Screw threads Choice of six liners

Teflon liners inert to most chemicals and can be autoclaved Thickness: 0.015 inch For insertion in caps of corresponding size; diameter of liners permits sealing in caps by friction fit. Liners can be inserted directly over other flat liners mounted in caps.

Caps fit Corning media bottles, Erlenmeyer flasks and spinner flasks with standard GL threads. Standard Plug Seal Caps are autoclavable and use a linerless plug seal design for efficient sealing. Pouring Rings fit on the lips of bottles for drip-free pouring. Autoclavable Vented Caps…

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

Excellent for Culture Tube and Flask Closures. 305 Stainless Steel, Non-Corroding. Lanced fingers grip firmly after repeated autoclaving.

Dropper Assemblies feature a glass tube with black polypropylene closure and rubber squeeze bulb. Tip opening has a 3.0mm outside diameter.

White urea PTFE-faced foam-backed rubber liner Ideal for use with scintillation vials

Replacement polypropylene open top closures have a bonded-in 0.045” thick septa except for 1709B03, which is a 24-414 open top closure without septa. Choose an I-CHEM® 0.125” thick, 22 mm, PTFE silicone replacement septum to complete the closure system. Thin septa are also available.

Screw cap made of radiation grade polypropylene Variety of colors Packaged in case of 100 or 1000

Closure of one-piece construction with a seal achieved due to a unique inner sealing ring. Intended for use with 73750, 73760 and 73770 disposable culture tubes and 73785 disposable centrifuge tubes. Natural polypropylene Autoclavable Designed from ASTM Specification E982

Overfitting caps for use with sterile culture tubes have two positions: loose for aerobic culturing and tight for a-aerobic cultureing and leakproof sealing.

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…

Falcon® polystyrene Plug Seal screw caps for 50mL centrifuge tubes are sterile. The caps are sold 50 per pack and 1,000 per case.

Fits most 12mm, 13mm and 16mm plastic test tubes. Polyethylene Assorted colors available.

Tefon®-faced (14B) rubber liners Autoclavable caps are designed to ensure the ultimate in product safety. The liners are made of a nontoxic white styrene-butadiene rubber and are faced with Teflon® which offers excellent chemical resistance. They are available in convenient lab pack quantities…

safePort™ Low Profile O-ring Caps fit safePort™ 0.5, 1.5, and 2.0ml screw cap vials. Screw caps deliver leak-proof seal for all types of contents, ideal for life science reagent or solution. Caps and vials sold and packaged separately allow for customization on coloring and sizes…

White polypropylene closure, PTFE lined. For  Boston Round Glass Bottles,  See  1204X96 -  1204Y17

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…

These blue PYREX® polyethylene caps provide an economical closure for some volumetric flasks (See Nos. 5580, 5581 and 5600).

Plug cap, flanged. Fits most 13mm tubes Polyethylene (PE) Assorted colors available

Made of polyethylene These caps have two flexible flanges to ensure a leakproof seal. They will fit into test tubes and also in round cuvettes and centrifuge tubes.

Teflon Septum made from PTFE. Size: 14, 25, and 32mm available.

Made of Polypropylene T347AQX 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…

These dual position caps are produced from low density polyethylene (LDPE) and is ribbed for easy handling. The cap is specially designed to provide aerobic or anaerobic storage of culture samples. When snapped into the tube, the cap provides a leak-resistant seal. Note: Leave the cap in the…

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…

Preassembled closures and septa come ready to use. Designed to work in Agilent or other robotic arm autosamplers.