Specialty Flasks
Specialty flasks are the backbone of many experimental setups, offering the durability and precision needed for demanding experiments.
Explore our diverse collection, including round bottom flasks, single neck flasks, bioreactor flasks, Ace Glass freeze-drying flasks, and 4 neck flat flange reaction vessel covers. All flasks are carefully designed to withstand the requirements of multiple research and analysis procedures.
In this category, you'll discover renowned brands such as Chemglass, Ace Glass, and Kemtech America, all known for their commitment to quality and innovation in lab glassware.
Whether you're searching for a Schlenk flask, a three-neck round bottom flask, a biomass flask, or a 3-neck flask for your lab, we offer a selection of flask options suitable for a range of experiements. Trust our specialty flasks to provide the precision and durability your research demands.
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Round bottom, HEAVY WALL, four-neck flask with standard taper outer joints and a # 7 Chem-Thread for insertion of thermometers or bleed tubes having an O.D. between 4 and 7mm.
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Head, Duran Flange
Ace GlassProduct family consisting of large spherical flasks and the heads that complement them. Flasks that feature a bottom outlet have descriptions that state the outlet's type, otherwise the flask has no outlet.
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Flasks, Heavy Wall, Pear Shaped
ChemglassPear shape HEAVY WALL flask with a standard taper outer joint.
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SYNTHWARE Reaction Tubes with Glass Stopcock
Kemtech AmericaSYNTHWARE cylindrical reaction tube with standard taper outer joint and 2mm bore glass stopcock sidearm. Useful for sample storage and simple reactions. The stopcock has a constant pressure retention device.
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4 Neck Reaction Vessel Covers
SP Wilmad-LabGlassFeaturing a center neck and three side necks with full length outer Standard Taper joints that are 120° apart, these borosilicate glass reaction vessel lids have a conical flange. Bottom flange ID is 4" and ground for a leak-proof fit with a reaction flask. For use with reaction vessels…
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Round bottom, HEAVY WALL, three neck flask with standard taper outer joints on the center and side necks. Lower outlet is a CG-424-05, 4mm straight bore PTFE stopcock.
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Stainless Steel McCarter Reaction Clamps
SP Wilmad-LabGlassUsed to connect two pieces of glass with flat flanges of the same diameter, these stainless steel horseshoe-shaped clamps are uniquely designed. Adjustable tension springs that secure even pressure over the flange area, may be slid on or off easily - thus facilitating assembly and disassembly of…
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CELLine Adhere
Argos TechnologiesCELLine Flasks are ideal for monoclonal antibodies and expressed recombinant cellular protein production. Viable in vitro alternative to using, standard cell culture or tissue culture products or mouse ascites. Bioreactors utilize innovative membrane technology to separate the cell cultivation area…
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Round bottom, HEAVY WALL three neck flask with standard taper outer joints on the center and side necks. Indentations increase agitation of the contents of the flask during stirring. Please Note: Morton Style Reactors/Flasks Not Suitable For Vacuum.
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Scale-Up Series™ Cylindrical Flasks
Ace GlassScale-Up Series™ cylindrical flasks with an Easy Drain glass valve. The flask is graduated on both sides allowing for either left or right hand flask orientation. The Easy Drain valve is designed to prevent accidental removal when opening and inc
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Rugged spherical reaction flask with Duran, flat, ground flange with O-Ring groove, for use with 6517 Quick Release Clamp but with indents for greater agitation. Each flask is supplied with one CAPFE O-Ring (PTFE encapsulated silicone O-Ring). Plain silicone O-Rings are also available. For reaction…
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European style flask with tapered walls and a shallow hemispherical bottom for more efficient mechanical or magnetic stirring. With standard taper outer joints on center and side necks and a #7 Chem-Thread for insertion of thermometers or bleed tubes having an O.D. between 4 and 7mm.
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Flasks, Heavy Wall, Pear-Shaped, 3-Necks
ChemglassPear shape, HEAVY WALL 3-neck flask with standard taper outer joints on the center and 20º angled side necks.
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Overflow measuring flasks are a simple and very precise way to conform to fixed volume instructions. They are available in different sizes for different measuring ranges with the respective sample volumes.
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Distilling round-bottom flask coated with Ace Instatherm. Designed to operate up to 360 & deg; C, heating response time is very rapid, (5° per minute), with very low thermal lag. Has vertical standard taper reinforced outer center neck and angled standard taper reinforced outer side neck.…
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Flasks, Heavy Wall, Pear-Shaped, 2-Necks
ChemglassPear shape, HEAVY WALL 2-neck flask with standard taper outer joints. Flasks with a 10/18 outer joint on the side neck are used with either jointed thermometers or CG-1079 inlet adapters.
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Flask has a #15 o-ring joint on the sidearm and a Chem-Vac™; Chem-Cap®; valve to control gas or liquid flow into the vessel. All sizes are of heavy wall construction, and are used with AF-0060 and AF-0061 manifolds or any other Airfree® component with a #15 o-ring joint. Supplied…
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Flask Storage Side Joint
Ace GlassStorage or small reaction flask with standard taper joint on side arm. Can be used in gas applications or vacuum and NO-AIR applications. Available in tube and bulb styles with 0-3 vacuum valve.
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Flask, Pressure, Round Bottom
Ace GlassRound bottom, heavy wall, pressure rated flask. All flasks come complete with a solid PTFE plug seal with front seal FETFE o-ring for better containment of product. Vessels are tested at 1.5x for a working pressure rating at 60PSI at 120°C. Flasks
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Flask, Trypsinizing
ChemglassManufactured from Type 1 Class A borosilicate glass with FOUR deep side baffles for optimum agitation during trypsinization. Flask comes with beaded, break-resistant lips and 50mm OD necks. Sold 1 per case.
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Kriel Reactor, Photochemical
Ace GlassReactor is most useful in prep-scale photolysis and features tapered sides which assures full submersion using our 7825-34 or 7825-36 lamps within the supplied quartz immersion well. A 20% savings in reaction time over round bottom flasks. Additionally
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Heavy wall round bottom three neck flask with standard taper outer joints on center and side necks. Lower outlet is a CG-911-A extended tip which fills the seat area and permits total agitation of the contents of the flask. Once opened the contents of the flask will drain through the sidearm. The…
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Round bottom, HEAVY WALL two neck flask with standard taper outer joints on both the center neck and vertical side neck.
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SYNTHWARE Heavy Wall Cylindrical Pressure Vessels
Kemtech AmericaPressure Vessel, Heavy Wall, Cylindrical, Synthware, Capacity: 15-120mL available, GL Thread Size: 15, Vessel has an internal thread for use with PTFE bushing, O-ring is positioned above the thread for inproved sealing.
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Round bottom, HEAVY WALL, four neck flask with standard taper outer joints on the center and 20º angled side necks.
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Similar to 9844-07 Vessel except jacketed to provide active cooling from tap water or mechanical cooler. Jacket is cylindrical with flat bottom for greater stability. With #25 Ace-Thred center neck and two 14/20 side necks. Code -30 includes our 7506-10 #25 Ace-Thred bushing used to secure a…
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Arsine Generator, Guthzelt
Ace GlassDesigned for arsenic analysis by the diethyldithiocarbramate colorimetric method. Meets APHA Standard 104A, ACS/USP, and EPA specifications. All wetted surfaces are borosilicate glass or PTFE clad joints. Code -40 complete unit consists of one 24/40, 125ml erlenmeyer flask, one 24/40 to 12/2…
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Reaction Assembly, Portable, 12 and 22L
Ace GlassComplete self-supporting pilot plant assembly. Needs only to be located near coolant and electrical outlet. When not in use, entire assembly can be intact, without breakdown. Features flask, self-standing mechanical or air motor, flat-sided powder funn
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Ace Glass Freeze Drying Flask
Ace GlassComplete fast-freeze flask with snap-on rubber cap and 1/2-inch or 3/4-inch O.D. plain or valve adapter, compatible with all major brand freeze drying manifold valves. Borosilicate flasks are designed for ease of handling, faster loading. Uniform wall weight maximizes heat transfer while…
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Flask Reaction, Hi-Vac Valve NO-AIR
Ace GlassRound bottom borosilicate glass flask with standard taper center neck and a 0-4 Hi-Vac valve for precise control. Flask is ideal for simple NO-AIR and vacuum applications. Outlet arm is 8MM and can be fitted with a rubber septa for insertion of samples or additives via syringe.
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SolventVap Receiving Flask 1/2Drain Port with PTFE Valve
Across InternationalHigh quality glass drain port with PTFE open/close valve for Ai 3L, 5L, 10L, 20L receiving flasks. Glass material: high borosilicate glass 3.3