flasks
Avantor offers a wide variety of flasks to meet your labware needs. Select pear shaped, round bottom, flat bottom, Kjeldahl, conical or Erlenmeyer flasks in a variety of capacities. Perform specialized procedures with distilling, rotary evaporator, filter and iodine flasks. Volumetric and nitrogen flasks safely store and measure liquids and gases. Meet your lab's cell culturing needs with trypsinizing, culture, and spinner flasks. Most flask types feature borosilicate glass construction; some offer plastic models as well. Purchase flasks in cases, packs, or individually.
Flask, Two-Neck, Pear-Shaped, Ace Glass Incorporated
Supplier: Ace Glass
These pear-shaped flasks have a side arm for use with a rubber stopper (not included)
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Nalgene® Disposable Erlenmeyer Flasks, PETG, Sterile, Plain Bottom, Thermo Scientific
Supplier: Thermo Fisher Scientific
Graduated flasks are made of light, crystal-clear PETG plastic with easy-to-open polyethylene screw closures.
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Round-Bottom Three-Neck Flasks, Indented Morton Type, Ace Glass
Supplier: Ace Glass
Round-bottom flasks with three necks and [ST] outer joints
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PYREX® Low Actinic Volumetric Flasks, [ST] Stopper, Class A, Corning
Supplier: Corning
Flasks are for use with light sensitive materials.
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DURAN® Erlenmeyer Flask, Wide Neck, DWK Life Sciences
Supplier: DWK Life Sciences (KIMBLE)
These wide neck erlenmeyer flasks are highly durable.
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Flask with Thermowell, Ace Glass Incorporated
Supplier: Ace Glass
This round-bottom flask has a center neck with a [SJ] 35/25 top joint and an angled side port thermometer well
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SP Wilmad-LabGlass Volumetric Serialized Cylindrical Flasks with Stopper, Class A, SP Industries
Supplier: SP Industries
Featuring a wide base for greater stability, these borosilicate glass flasks have a serial number and a marking area
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PYREX® EZ Access™ Extra-Wide Neck Volumetric Flask, Class A, Corning
Supplier: Corning
These PYREX® EZ Access™ heavy walled volumetric flasks are designed to meet Class A, ASTM tolerances for volumetrics.
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KIMAX® Volumetric Flask with [ST] Glass Stopper, Square, Class A, Kimble Chase
Supplier: DWK Life Sciences (KIMBLE)
These KIMAX® flasks are especially designed to take up less area and pack more closely on shelves and in refrigerators or other storage cabinets.
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PYREX® Culture Flasks, Long Neck, Corning
Supplier: Corning
The long neck culture flask is basically an Erlenmeyer flask to which a long straight, rimless neck of heavy tubing has been added.
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KIMBLE® RAY-SORB® Amber Heavy Duty Wide Mouth Volumetric Flask, Glass Stopper, DWK Life Sciences
Supplier: DWK Life Sciences (KIMBLE)
Flasks are made of red-tinted glass that provides protection from UV light
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Flask, Rotary Evaporator/Freeze Drying, Ace Glass Incorporated
Supplier: Ace Glass
This a dual purpose flask features the “TWISTLOR” ACE-Seal: simply push the adapter head and the flask together and turn 90°
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Pear-Shaped Recovery Flask, Ace Glass Incorporated
Supplier: Ace Glass
Multipurpose, pear-shaped flasks feature a modified side for easier insertion of spatulas or brushes for removal of solids, or for cleaning
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Tapered Five-Neck Flasks, Jacketed, Ace Glass
Supplier: Ace Glass
Flasks have tapered walls to allow continuous operation with smaller volumes
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Nalgene® Volumetric Flasks with Screw Cap, Polymethylpentene, Thermo Scientific
Supplier: Thermo Fisher Scientific
Transparent polymethylpentene flasks are lighter in weight than glass and break resistant to protect against leakage and contamination
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Jacketed Flask with Polished Joint, Ace Glass Incorporated
Supplier: Ace Glass
Jacketed version of standard flasks



