250 mL, Flasks
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Iodine Flasks
DWK Life Sciences (Kimble)Iodine flask with size 22 stopper Size 22 PTFE standard taper stopper is included A durable matte-finish ceramic enamel marking spot takes writing and erases easily Designed from ASTM Specification E1404, Type II, Class 3 requirements
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Narrow mouth PYREX VISTA Erlenmeyer flasks have uniform wall thickness, which provide the proper balance between mechanical strength and thermal shock resistance. Approximate graduations are in durable blue enamel. An extra large marking space is also provided. The Erlenmeyer flasks are designed to…
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Full length 24/40 joint on all sizes except 50 mL, which has Standard Taper 19/38 joint Graduated scale indicates approximate volumes Extra large marking space
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Suspension Culture Flasks
Celltreat ScientificCELLTREAT Suspension Culture flasks are manufactured under the most stringent conditions and include a 100% integrity test to assure the reliability with your tissue and cell culture work. Class 100,000 clean room, USP class VI virgin polystyrene, and ISO 9001:2000 quality management systems all…
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PYREXPLUS® Filter Flask
CorningProtective PVC coating for longer product life and safety Graduated to show approximate capacity Heavy wall Autoclavable (121 °C) and resistant to thermal shock Tubulation O.D. is 10 mm on sizes up through 1,000 mL and 12.5 mm on 2,000 and 4,000 mL sizes (tubing is non-coated).
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Baffles enhance aeration and agitation of contents of the flask. Unique impeller design ensures optimal stirring. Sidearm designs permit easy access of 25 mL and 50 mL pipets. Reusable Glass Spinner Flask is designed to improve cell growth by keeping the culture media moving and…
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PYREX VISTA flat bottom boiling flasks have full length outer 24/40 Standard Taper joints, but with shorter necks. Wall thicknesses are controlled to provide balance between thermal expansion and mechanical strength for greater shock resistance. The flat bottom boiling flasks are designed to ASTM E-1403.
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These PYREX® Erlenmeyer flasks have heavy tooled rims for maximum durability. The same baffle design as found on PYREX® Delong flasks promotes optimal and consistent solution agitation when used with flask shakers. Their uniform wall thickness provides the proper balance between mechanical…
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Shake Flasks
DWK Life Sciences (Wheaton)For use with orbital or reciprocating shakers Baffles improve aeration and mixing for microbial and bacterial cultures Break resistant lip for use with stopper, cotton plug or film cover Pinched neck design to reduce splashing on flasks with 4 baffles Autoclavable borosilicate…
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Tissue Culture Flasks
Celltreat ScientificCELLTREAT Tissue Culture flasks are manufactured under the most stringent conditions and include a 100% integrity test to assure the reliability with your tissue and cell culture work. Class 100,000 clean room, USP class VI virgin polystyrene, and ISO 9001:2000 quality management systems all…
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With barrel-shaped Standard Taper glass stopper Calibrated to contain at 20°C
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For user convenience, PYREX Erlenmeyer flasks are graduated to show approximate capacity. The 25- 50- and 125 mL flasks are satisfactory for use as a weighing bottle. Erlenmeyer flasks come with a PYREX Standard Taper stopper.
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Permanent graduation line Machine-blown bodies Heavy-beaded, heavy-tubing necks are tooled for polyethylene stopper Stopper is made with a closed bottom and is of linear, high-density polyethylene to conform to Standard Taper stopper dimensions
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Calibrated "to contain" Red stripe, through which capacity mark is etched for legibility and permanence Barrel-shaped Standard Taper glass stoppers
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Heavy-duty rim for longer service Narrow mouth Graduated scale indicates approximate volume The Erlenmeyer design is extremely popular and has been modified for numerous lab applications.
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PYREX Erlenmeyer Shaker Flask
CorningDelong style Extra deep baffles These PYREX Delong style shaker culture flasks have three extra deep baffles designed to provide greater agitation of solutions to improve oxygen or gas transfer when used with rotary or reciprocating shakers. The long neck reduces splashing and is…
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Magna Flex™ Microcarrier Spinner Flasks
DWK Life Sciences (Wheaton)The Wheaton Magna Flex Spinner Flasks feature a flex-type, bulb-shaped glass impeller that rotates from a fixed position above liquid level around an indentation in the base of the flask. Primarily designed for use with microcarrier cultures, this unique stirring system increases stirring…
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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…
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PYREX Boiling Flasks
CorningCarefully designed and manufactured from borosilicate glass Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance Excellent chemical durability provides contamination-free results and long life…
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Round bottom Short ring neck These PYREX® round bottom boiling flasks have short ring necks. These ring neck boiling flasks are precisely tooled for uniform stopper fit. The reinforced rim increases mechanical strength. These flasks are used in applications requiring rigid stoppering…
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These PYREX® Erlenmeyer flasks with phenolic screw caps are ideal for use as a shaker flask or for mixing, media prep and storage needs. Impact resistant caps with 24-410 GPI threads are equipped with cemented-in, inert white rubber liners which are resistant to steam sterilization. Their…
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These Class A PYREX® volumetric flasks have machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for No. 9 PTFE color-coded keyhole stoppers. For replacement stoppers see No. 7630. The graduation line is sharp and permanent. Large white block letters make the…
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These PYREX® long neck shaker culture flasks are basically Erlenmeyer flasks to which a long straight, rimless neck of heavy tubing has been added. The longer necks reduce the amount of splashed solution reaching the closure. They are ideal for shaker cultures. Their uniform wall thickness…
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These PYREX® EZ Access™ wide mouth volumetric flasks are calibrated to Class A tolerances and are designed for microchemical work. The heavy duty, wide mouth facilitates filling and mixing. Supplied with interchangeable Standard Taper PYREX® ground glass stopper. The graduation line…
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Calibrated to contain at 20°C Red stripe, through which calibration mark is etched into transparent glass underneath Supplied with plastic snap cap
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Jacketed Double Sidearm Celstir® Spinner Flasks
DWK Life Sciences (Wheaton)The Double-Sidearm Celstir with water jacket allows precise temperature control of its contents when operated with a recirculating water bath. The hose connectors accept 1/4 in (6.35 mm) ID tubing. This unit is made from Wheaton 33 low extractable borosilicate glass that conforms to USP Type I and…
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PYREX® Distilling Flasks
CorningSuitable for microchemical applications Side-arm on all sizes is approximately 77 mm below the top of the neck at an angle of 75° Adaptable for use with thermometer calibrated for 76 mm immersion 50 mL flask takes rubber stopper No. 1; 250 mL flasks, stopper No. 3; 500 mL flask, stopper No.…
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Calibrated "to contain" at 20°C Accuracy tolerances approximately twice those specified for Class A
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Calibrated to Class A ASTM E-542 and E-288 Supplied with a certificate of identification Traceable to NIST standards The graduation line is sharp and permanent. Large white block letters make it easy to read. Supplied with a Standard Taper stopper.
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Polycarbonate Erlenmeyer Flasks
CorningDisposable flasks feature wide, easily accessible mouths All flasks have Sterility Assurance Level (SAL) of 10 -6 Non-binding Wide, easy access mouth Made from optically clear polycarbonate Sizes from 125 mL to 1 L Certified non-pyrogenic Non-baffled bottoms Certified…
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Short neck Heavy wall PYREX round bottom boiling flasks have full-length outer Standard Taper joints, but with shorter necks. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and…