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We manufacture and distribute fine chemicals and laboratory
products - with quality and delivery you can count on every time.
Glass Flask Closures
Spectrum offers laboratory grade Glass Flask Closures from the industry’s leading manufacturers including Sibata, Kontes, Pyrex and many others. Whether you require a snap cap or a Cork Ring, Spectrum has the Glass Flask Closures solution for you.
Top Sellers in Glass Flask Closures
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Corning PYREX® Polyethylene Snap Caps
These blue high-density polyethylene (HDPE) snap caps provide an economical closure for some volumetric flasks.†U.S. and Canada Sales Only
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Corning® Polypropylene Closures for Culture Tubes and Delong Flasks
These Corning polypropylene closures are designed for culture tubes and flasks with long rimless necks. Closure offers two positions: open for gas exchange or closed for humidified environment. ... -
DWK Life Sciences Accessory Snap Caps
Designed for use with items which have necks specially tooled to proper diameters and contours.
Polyethylene
Economical and efficient closures
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DWK Life Sciences Linear High-Density Polyethylene Stoppers
Replacement part for items that are ground to TS stopper dimensions. Yellow and blue stopper has a closed bottom. The enlarged flange is designed to protect the neck if the glass object ... -
DWK Life Sciences Accessory Snap Caps
Designed for use with items which have necks specially tooled to proper diameters and contours.
Polyethylene
Economical and efficient closures
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DWK Life Sciences KONTES® Incubation Flasks
Image(s) are representative of the product group and not necessarily the individual product.
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Cork Rings
Glassware support rings are excellent for holding round bottom flasks in place. All rings are 30 mm high.
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Vee Gee Scientific® Replacement Snap Caps
Replacement Snap Caps for SIBATA 2303A-Series Volumetric Flasks.
Image(s) are representative of the product group and not necessarily the individual product.
