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.
Erlenmeyer flask, delong neck, with extra deep baffles, PYREX®
Supplier: Corning
Made of PYREX® borosilicate glass.
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Flasks, flat bottom, long neck/short neck, PYREX®
Supplier: Corning
Manufactured from borosilicate glass.
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Pear-shaped boiling flasks, [ST] joint, PYREX®
Supplier: Corning
Boiling flasks have short necks and carefully controlled wall thicknesses to maintain proper balance between thermal expansion and mechanical strength for optimal shock resistance. These flasks are equipped with standard taper 14/20 outer joint, standard taper 19/22 joint, and standard taper 24/40 joint.
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Erlenmeyer flasks with screw cap, capacity scale, KIMAX®, KIMBLE®
Supplier: KIMBLEKONTES
Manufactured from 33 expansion, low extractable borosilicate glass.
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Volumetric flasks, class A, PTFE stopper, PYREX®
Supplier: Corning
These class A PYREX® volumetric flasks have machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for PTFE color-coded keyhole stoppers.
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Flasks, round bottom, narrow or wide neck, with flared rim, DURAN®
Supplier: DWK Life Sciences
DURAN®, borosilicate glass 3.3, clear.
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Flasks, pear shaped with two necks
Supplier: Lenz Laborglas
DURAN®, borosilicate glass.
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Spinner flasks with angled sidearms, Corning®
Supplier: Corning
Borosilicate glass with side arms, non sterile.
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Erlenmeyer flasks with standard ground joints, DURAN®
Supplier: DWK Life Sciences
DURAN®, borosilicate glass 3.3, clear.
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Flasks, Erlenmeyer, with standard ground joint
Supplier: Lenz Laborglas
DURAN®, borosilicate glass 3.3, clear.
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Volumetric flasks, trapezoidal shape, class A, blue markings
Supplier: HIRSCHMANN
DURAN®, borosilicate glass, with PE stopper, conformity certified (DE-M marking).
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DURAN® Flasks, Round Bottom, with Two Necks and Standard Gound Joints
Supplier: DWK Life Sciences
DURAN®, borosilicate glass 3.3, clear.
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Volumetric flasks, class A, white markings
Supplier: HIRSCHMANN
DURAN®, borosilicate glass, amber, with PE stopper, conformity certified (DE-M marking).
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Spinner flasks with vertical sidearms, Corning®
Supplier: Corning
Borosilicate glass flasks are baffled to enhance agitation of contents.
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Nitrogen receivers (schlenk flasks), with PTFE needle-valve stopcock
Supplier: Lenz Laborglas
DURAN® borosilicate glass 3.3, clear.
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Erlenmeyer flasks with screw caps
Supplier: Lenz Laborglas
DURAN®, borosilicate glass 3.3, clear, with DIN thread and red PBT closure.



