Delong style Three baffle indents Designed to provide greater agitation of solution to improve oxygen or gas transfer when used with rotary or reciprocating shakers. Long neck reduces splashing and is designed for two-position polypropylene closures.

Three-neck heavy wall round-bottom flask with Standard Taper outer joints Side necks are angled Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

For use with turbidity meter or nephelometer Scratch and striation free side tube Available with or without cleanout port Autoclavable borosilicate glass that conforms to USP Type I and ASTM E 438 Type I, Class A requirements 38-430 top cap and 20-415 sidearm cap have white styrene…

These PYREX® wide mouth Erlenmeyer flasks are especially recommended for use as titration flasks and are designed with heavy duty rims to reduce chipping. For convenience, these flasks are graduated in durable white enamel to show the approximate capacity and have an extra large marking…

Plug-seal screw caps Graduated Neck opening: 29 mm Ideal for all media prep and storage needs. Easy to use with larger volume serological pipets.

Protective 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).

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.

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…

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…

Suitable 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.…

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…

Micro Filtering Flasks These PYREX® VISTA™ micro filtering flasks are recommended for microchemical use. The vacuum hose is attached to the flask's sidearm. A funnel is inserted into the neck of the flask through a ground joint or rubber stopper. The applied vacuum facilitates the…

Carefully 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…

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 controlled to provide balance between thermal expansion and mechanical strength for greater shock resistance. The…

Similar to 4997B13 series, but with protective PVC coating Coating promotes longer product life and greater safety and helps contain glass and contents should breakage occur Autoclavable and microwaveable to 121°C (250°F) Resistant to thermal shock With PYREX Standard Taper stopper

With Cell Suspension Stirrer, Celstir® Entire flask assembly can be autoclaved Offered in six sizes, working capacities 25 to 1,000 mL Easy access through side arms Of Wheaton “200” borosilicate glass Cylindrical with screw neck and polypropylene cap …

Delong 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…

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

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…

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.

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

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…

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

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.

With a unique design for the manipulation of air-sensitive and moisture-sensitive compounds Features a modified Kjeldahl shape that facilitates heating, stirring and solvent stripping without impairing ease of liquid and solid transfer The bottom of the flask is shaped to fit Kontes oil…

The strength of these flasks has been increased appreciably through machine-blown bodies. Sealed, heavy-beaded, heavy-tubing necks are tooled for snap-cap fit. Graduation line is sharp, permanent and large; white block letters make the inscription easy to read. 1 mL and 2 mL sizes are…

These 500mL PYREX® three neck flasks have two angled side necks at the same height with 19/22 Standard Taper outer joints and a center neck with a vertical 19/22 Standard Taper joint.

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…

Conical, of heavy-wall borosilicate glass All sizes have Standard Taper 34/28 ground joints and bell-shape lip 65 mm wide x 30 mm deep. 500 mL flask is 195 mm high: 1,000 mL flask, 230 mm. Without stopper or platinum carrier.

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.

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…