Lab Flasks

Lab flasks are essential tools in the laboratory environment, offering versatility and precision in various scientific applications. This category, including a range of flask types, is integral to experiments across chemistry, biology, and pharmaceutical fields.

volumetric flasks, prized for their accuracy in measuring liquid volumes, are a highlight of this category, crucial for quantitative analyses. boiling flasks, with their round bodies and narrow necks, facilitate even heating and are essential in distillation and boiling processes. Neck filtration flasks are designed for vacuum filtration, combining durability with functionality for precise separation tasks.

The round, bottom-angled three-neck flasks stand out for their adaptability in complex chemical reactions, allowing simultaneous inputs or outputs. Also, baffled flasks enhance the mixing and oxygen transfer in biological cultures with their unique design.

Each type of lab flask, from glass flasks with stoppers to volumetric flasks, plays a pivotal role in lab efficiency and accuracy. This extensive range of lab flasks enhances experimental capabilities and encourages exploration and innovation in laboratory settings.

Lab Flasks

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  • Class A Volumetric Flasks

    SP Wilmad-LabGlass

    These borosilicate glass volumetric flask sizes comply with requirements for Type 1, Class A "Unserialized flasks". They are supplied with a standard taper penny head glass stopper. Calibrated "to contain" at 20°C. Reference: ASTM E288 and Federal Specifications NNN-F-289....

  • Cell Culture Flasks

    Made of high quality medical grade polystyrene Available flask sizes include surface areas of 25 cm 2 , 75 cm 2 , or 175 cm 2 Plug cap and filter cap options available for all flask sizes Plug caps completely isolate the culture from the outside environment Filter caps prevent cross-contamination...

  • Thomas Ogg Combustion Flasks

    labForce® (powered by Thomas Scientific)

    6514F35 Ogg Flask of borosilicate glass, with Standard Taper 35/25 socket mouth; without stopper or sample carrier. 1233S49 Platinum Ogg Sample Carrier has a perforated aluminum sheet. It features a 13 mm deep basket on lower end that takes the paper-wrapped sample. 6514F40 Stopper fits the 1,000 mL...

  • Trypsinizing Flasks

    DWK Life Sciences (Wheaton)

    For forming cell suspensions through trypsin digestion of connective proteins Fluted design improves homogenization Autoclavable with screw cap Constructed of borosilicate glass that conforms to USP Type I and ASTM E 438 Type I, Class A requirements Caps have white styrene butadiene rubber liner

  • KIMAX Flasks - Wide Mouth Erlenmeyer Flask

    KIMAX flask product features include: Wide mouth, with heavy-duty, tooled top finish and scale to indicate approximate volumes ASTM Specification E 1404 Type I Class 2 The 125 mL flask takes No. 6 rubber stopper; 250 mL flask, No. 8; 500 mL flask, No. 10; 1,000 mL flask, No. 11; 2,000 mL flask, No....

  • ValueWare® Volumetric Flasks, Class A, Unserialized, Ts Stopper

    Manufactured from KIMAX™ borosilicate glass, ValueWare has a low coefficient of expansion and a very high resistance to chemical attack. This means optimal performance in the lab at an affordable price. Long life expectancy, resistant to most chemicals. Ideal for general laboratory use....

  • PYREX Brand Class A Volumetric Flasks

    With barrel-shaped Standard Taper glass stopper Calibrated to contain at 20°C

  • Borosilicate Glass Round Bottom Boiling Flasks with Ground Glass Joints

    Boiling, round bottom flasks with ground glass joints. Our boiling flasks are made from low-expansion borosilicate glass. Feature uniform wall thickness for superior mechanical strength and shock resistance. Ideal for boiling, heating and mixing in the laboratory.

  • Cylindrical, Wide Mouth Dewars with Metal Handles

    The handled Dewar vacuum flask is ideal for temporary storage and liquid gas service, especially Liquid Nitrogen. The wide mouth design with the fully silvered borosilicate glass inner flask incorporates the convenience of a coated handle and full aluminum base on the most popular cylindrical model...

  • PYREX Vacuum Filter Flask

    For use in vacuum filtration applications Withstands full vacuum (to 30” Hg) With hose barb for 1/4” I.D. tubing

  • Multiple Well Plates

    Celltreat Scientific

    Available in 6, 12, 24, 48 and 96 well flat bottom configurations NEW — 96 well plates now available with a round bottom Plates are labeled with alpha-numeric markings for easy identification of individual wells Each well has a raised rim which nests into the rings on the single direction lid...

  • SYNTHWARE Round Bottom Angled Three Neck Flasks

    SYNTHWARE round bottom, heavy wall, three neck flasks with standard taper outer joints on both the center neck and the angled side necks. All sizes are hand blown from tubing to ensure uniform wall thickness.

  • Erlenmeyer and Fernbach Flasks

    Designed for mammalian suspension culture applications as well as bacterial & yeast culture Available with either solid or vent cap to eliminate the chance of unintended venting, unlike combination caps Vent caps feature 0.22µm hydrophobic membrane which allows for gas exchange without...

  • Erlenmeyer Flasks

    NEST Scientific USA

    2L PC Erlenmeyer Flask Ideal for shaker culture applications 2L H-Efficiency Erlenmeyer High-efficiency, large-volume culture flasks allow cells to show strong viability with large expression amount of proteins in the culture of mammalian cells and insect cells.  During the culturing process,...

  • Flask, Recovery, Rotary Evaporator

    A multipurpose, round bottom flask with a single neck and sloping side wall. Designed for use as a recovery flask with rotary evaporators. Heavy wall product family members feature approximately 30% heavier wall weights.

  • PYREX® Class A Volumetric Flasks

    These PYREX® volumetric flasks provide improved lab convenience, broad selection and precise volume measurement. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for Standard Taper glass stoppers. Stoppers are...

  • Glass Filtering Flasks

    Pack of 2 Filter Flasks with easy-to-read white enamel graduations INTEGRAL SIDE ARM || Conical flask with tubulated integral side arm HEAVY WALL || Heavy wall design for safe use under vacuum pressure INDUSTRIAL QUALITY || Made of high quality, heavy duty, borosilicate 3.3 glass with excellent...

  • 150cm² U-Shaped Canted Neck Cell Culture Flasks

    150 cm 2 cell growth areas Canted neck style U-Shaped Flask Style Non-pyrogenic Sterilized by gamma irradiation Optically clear virgin polystyrene material Corning cell culture flasks are manufactured under strict process controls for consistent product performance. Manufactured from optically clear...

  • Filtration Assembly

    Made of high quality Borosilicate glass Includes 4 pieces 1000ml flask, 300ml funnel, 47mm vacuum base with sintered disk and 47mm clamp Designed to maximize flow and reduce foaming Sintered disk, which acts as a filter is G2 porosity, with a 40-90 micron range This filtration assembly is used for...

  • Graduated Polycarbonate Erlenmeyer Flasks With Screw Cap

    Toughness and transparency of polycarbonate with the utility of screw closures Use for preparation and storage of culture media and many culturing techniques Safer than glass flasks for use in shakers Closures are linerless, polypropylene non-contaminating Flasks and closures are autoclavable, but...

  • Plastic Volumetric Flasks with Screw Cap

    Blown in high quality, heavy duty polypropylene plastic Microwavable and autoclavable for easy cleaning and sterilization Features a highly visible graduation line Flask is fitted with screw cap to prevent leakage Designed for use in professional laboratories, but is also an ideal choice for science...

  • Polycarbonate Baffled Erlenmeyer Flasks

    Suitable for shaker culture applications Optically clear polycarbonate Sterilized by gamma irradiation Certified nonpyrogenic Certified RNase- and DNase-free Corning Baffled Erlenlenmeyer Flasks are for use in shaker culture applications. Models are available with vent caps for applications...

  • Non-Treated Cell Culture Flasks

    Nest cell culture flasks are available in cell growth areas ranging from 25cm2 to 225cm2. Tissue culture treated or non-treated flasks available with a vent cap or plug seal cap to meet your needs. Vent caps with 0.22 um hydrophobic filters for gas exchange. Angled neck for easy access Packaged in...

  • VirTis® Style Extra Wide Freeze Drying Flasks

    Made of borosilicate glass, these freeze drying flasks are used with VirTis® lyophilizing equipment. Openings are extra-wide for efficient shell freezing and suited for bulky samples. Wall thickness of flask is designed for vacuum applications. These flasks are supplied with a nylon translucent...

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What are three-neck flasks used for?

Three-neck flasks are versatile pieces of laboratory glassware for conducting chemical reactions that require multiple access points. The central neck is typically used for mounting a reflux condenser or stirring apparatus, while the two side necks provide ports for adding reagents, inserting thermometers, or connecting additional equipment like gas inlets or distillation setups.