8mm Crimp Top Closures provide a leak-resistant seal, feature 4mm openings and are available with a variety of septa materials with and without liners. X100 BLUE CAP W/SI/PTFE SEAL 8MM FINISH

X1000 UltraClean : 9mm PP Short Thread Cap,red,centre hole, Silic. white/PTFE red,55° shore A,1.0mm

Resilient, resistant to moisture vapor X288 Plastic screw caps, rubber lined, black, size 58/400, Fisherbrand

For narrow-aperture containers X10 Rubber cap skirted d19mm

Prevent septa push through and over- and under-tightening. With AVCS built into these 9mm screw caps you will get an optimal, consistent seal every time. X100 AVCS 9MM GREEN CAP, PRE-SLIT

10mm Wide Opening Screw Caps and Septa feature a 10-425 thread finish and are available in an assortment of styles to match your application needs. X100 VIAL CAP NATIONAL SCIENTIFIC OPEN TOP, POLYPRopylene soft 10-425, 12mm x 32mm with pre-inserted

Available in an variety of styles to match your application. Pre-assembled caps and septa minimize contamination. X100 CAP THERMO SCIENTIFIC SCREW PTFE/SILICONE/PTF

For filling, venting, and manipulation X5 cap, 33mm CellSTACK filling access, luer end,w/cap, individually wrapped, Sterile

X1000 11mm Aluminium Cap, clear , centre hole, PTFE red/Silicone white/PTFE red, 45° shore A, 1.0mm

Economical alternative to Thermoset and Phenolic PTFE lined caps. Fisherbrand™ White Polypropylene Caps have PTFE facing backed by F217 liners. X500 Plastic screw caps, PTFE faced PE lined, white, size 38/400, Fisherbrand

Used for laboratories and industry. X2 YARN COTON CR 2P 1500F 26X30

Fisherbrand Schraubverschluss-Kappe, rot, GL45,PTFE beschichtete Silikondichtung

11mm Wide Opening Snap-It Caps and Septa are easy to apply and easy to remove and fully compatible with all Snap-It vials. X100 Snap-it seal,teflon, , MA: C4011-52

Clear glass or polypropylene inserts for 8mm HPLC and GC autosampler vials are available in a variety of configurations with usable volumes from 125μL to 200μL. X100 INSERTS,100µL WITH BOTTOM SPRING,LV TYPE(PACK OF 100)

Regulate flow without any leaking using these fittings. Cole-Parmer™ Stopcocks with Luer Connections are available with either a male luer lock or a male luer slip. X10 STOPCOCK 1 WAY MALE LOCK

With built-in septa Clear 12x32mm sepcaps, 500/Cs, MA: C4011-81

13mm Screw Thread Caps feature a 13-425 thread finish. Available in an assortment of styles, pre-assembled caps and septa minimize contamination. X500 CAP CHROMACOL SCREW PREFITTED SILICONE/PTFEliner 13mm for VGA-112-705K

Designed for use with Falcon 25-, 75-, and 175cm2 flasks X100 Vented Screw Cap for 25cm² Culture Flask, Non

For use in education, homebrewing and arts and crafts industries. X10 Cork stoppers 32mm x 35mm

Black phenolic closure with PTFE-lined cap X144 CLOSURE S/T, PTFE/RUBBER 13-425

Ensure leakproof performance with Nalgene Colored Polypropylene Closures—one-piece and linerless with integrally molded seal ring. X250 CAP PP BLUE 38MM

Autoclavable and used for multiple injections X1000 CLOSURE PRE-SLIT BLCK 13-42

Minimize contamination from handling with pre-assembled caps and septa; compatible with most HPLC and GC autosamplers. X1000 SILVER CRIMP CAP W/RED PTFE/WH SILIC SEAL

Ensure leakproof performance with Nalgene Colored Polypropylene Closures—one-piece and linerless with integrally molded seal ring. X500 CLOSURE GREEN PP

Nontoxic and autoclavable recessed septum stoppers are externally serrated to create an effective internal seal X10 Silicone stopper 23mm plug dia

Septa for 8-425 Screw Thread Caps are constructed of PTFE, PTFE/rubber, or PTFE/silicone to suit a variety of applications. X100 Septum Chromacol PTFE/silicone 8mm red/white

Low-cost polyethylene stoppers are an alternative to standard glass and PTFE stoppers. X100 Polyethylene Stoppers 19/22

Made of clear Type 1 Class A borosilicate glass, these inserts for 13mm HPLC and GC autosampler vialshave usable volumes from 350μL to 850μL. X100 VIAL INSERT NATIONAL SCIENTIFIC FOR 4ML VIALpolyspring, conical with pulled-point interior

Develop in-house fluid transfer systems for accurate filling or dispensing. These stopcocks provide reliable, accurate liquid flow control. Kuekenhahn, 2 mm PP / TFE

With PTFE-faced rubber septa X1000 ALUMINUM SEAL PTFE FACED 20