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products - with quality and delivery you can count on every time.
Plastic Stopcocks
Spectrum offers laboratory grade Plastic Stopcocks from the industry’s leading manufacturers including Bel-Art, Nalgene, Wheaton and many others. Whether you require a 3 way Polypropylene Stopcock or Stopcocks with Teflon Plugs, Spectrum has the Plastic Stopcock for you.
Top Sellers in Plastic Stopcocks
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Thermo Scientific Nalgene® Polypropylene Stopcocks with PTFE Plug
Serrated tubulation on each end. Accept 1/4 in. through 5/16 in. tubing. Autoclavable.†U.S. and Canada Sales Only
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Thermo Scientific Nalgene® Three-Way Polypropylene Stopcocks with PTFE Plug
Three tubulated outlets arranged in a T-shape, connect any two or all three arms of the stopcock. Accepts 1/4 in. through 5/16 in. tubing. Non-seizing. ... -
DWK Life Sciences (Kimble) Flat Head Solid PTFE Stoppers
Flat head PTFE stoppers are used as closures for laboratory glassware such as solution bottles and separatory funnels.
• Standard Taper medium length joint
• Solid, ... -
DWK Life Sciences (Kimble) Flat Head Solid PTFE Stoppers
Flat head PTFE stoppers are used as closures for laboratory glassware such as solution bottles and separatory funnels.
• Standard Taper medium length joint
• Solid, ... -
Bel-Art Scienceware® Two-piece Molded Polyethylene Stopcock
Two piece molded polyethylene stopcock. Parts snap together forming a tight seal and the free-turning key needs no lubrication. A quarter turn shuts off flow. Maximum pressure rating 48 ... -
Dynalon® Azlon® Octagonal Polypropylene Carboys
Replacement spigot for Dynalon Azlon Octagonal Polypropylene Carboys. Features removable tube fitting for added convenience. Durable and leak-proof heavy-duty spigot with boss fitting for ... -
Dynalon® Kartell Miniature Stopcocks
The low friction properties of high density polyethylene in these miniature stopcocks allows for easy turning of PP key which requires no lubricant, thus eliminating blockage of the bores ... -
Foxx Life Sciences Borosil® PP Solid Flathead Stoppers
Borosil Plastic Polypropylene Stopper for Volumetric Flasks, Interchangeable
Specifications
• Material: Polypropylene
• Color: Clear
• Class/ Quality ... -
Foxx Life Sciences Borosil® Polypropylene Solid Flathead Stoppers
Foxx Life Sciences Borosil® Polypropylene Solid Flathead Stoppers
Specifications
• Material: Polypropylene
• Color: Clear
• Interchangeable: ... -
United Scientific PP/PTFE Stopcocks
These leak-proof economical polypropylene stopcocks have a PTFE plug and serrated ports that accept tubing from 6 mm to 10 mm in diameter. Available in 2-way and 3-way versions.
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Wilmad No. 9 Rubber Stopper for 10 mL Auto Buret
Wilmad No. 9 Rubber Stopper for 10 mL Auto Buret
Image(s) are representative of the product group and not necessarily the individual product.
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Wilmad PTFE Stopcock for LG-3957T
PTFE Stopcock for LG-3957T
Image(s) are representative of the product group and not necessarily the individual product.
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Wilmad PTFE Stopcocks with Metering Valve
Straight 1:5 taper PTFE stopcock with a threaded needle valve that extends through the bore of the plug; it can be used as a valve within the stopcock to control flow while using the stopcock ... -
Wilmad PTFE Stoppers, Solid
Vertical head has straight edges. PTFE avoids freezing in ground zone and is used with volumetric flasks and separatory funnels.
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Wilmad Plugs Only for Metering Valves
Wilmad Plugs Only for Metering Valves
Image(s) are representative of the product group and not necessarily the individual product.
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Wilmad Solid Stoppers, PTFE
Vertical head with straight edges.
Image(s) are representative of the product group and not necessarily the individual product.
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Wilmad Straight Bore PTFE Plugs for Stopcocks
Plugs are PTFE and have a 1:5 taper.
Cat. No. 940-13612: Specifications do not include this large bore stopcock
Image(s) are representative of the product group and not necessarily ...
