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

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…

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

Round bottom and long neck 30 mL size has square-cut mouth for multiple micro digestions; mouths of larger sizes are tooled for uniform rubber stopper fit. 30 mL flask conforms with ASTM Standard E 147 for microchemical apparatus; 100 mL through 800 mL flasks can be used in ASTM E 258 procedure.

These PYREX® 200mL 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 No. 13 Standard Taper glass stoppers.…

6513C60 stopper was traditionally offered by Thomas for 300/500 mL combustion flasks; glass tip extends 50 mm below ground joint 6513C65 stopper is used for 1,000 mL combustion flasks; glass tip extends 90 mm below ground joint All feature U-shaped platinum gauze with 3 mm opening for insertion…

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).

Kohlrausch, Class A Borosilicate glass Calibrated to contain 20°C Mouth enlarged for easier introduction of sample Meet NBS requirements

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® 6L 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 No. 38 Standard Taper pennyhead glass…

Kontes™ flask with three angle necks for heating, stirring and solvent stripping without impairing ease of liquid and solid transfer. Three-neck heavy wall round-bottom flask with Standard Taper outer joints Side necks are angled Manufactured from 33 expansion, low extractable…

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 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…

KIMAX distilling flask. The sidearm tube is sealed at an angle of 75 º from the neck and is 137 ± 3 mm from the bottom of the flask. It is designed from ASTM Specification E133 and intended for use in ASTM D86, D233, D801, and D802.

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.

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…

Screw cap This wide mouth flask is designed for culturing organisms requiring a large surface area to volume ratio. Triple baffled on the bottom outside edges to achieve maximal oxygen transfer to culture medium. Supplied with GL45 orange polypropylene cap.

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…

Reinforced bead at top 300 mL and larger sizes have tooled necks 10 and 30 mL sizes are designed from ASTM Specification E 147; 100 mL through 800 mL sizes are designed from ASTM Specification E 1377, Type 1 requirements.

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

Maximum o.d. 250 mm; height 195 mm Takes number 6 1/2 rubber stopper Capacity 2,500 mL

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.

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

Can be used with direct drive motor or magnetically driven paddle assembly Side baffles enhance aeration and agitation of flask contents Proprietary "stretch" impeller design ensures optimal stirring 4, 45mm vertical sidearms permit use with sidearm probes and fittings Vessels…

Designed for culturing organisms requiring a large surface area to volume ratio Can also be used in serum production Takes stopper size 13 Thomas number 4912L15 features a triple baffle on the bottom outside edges to achieve maximum oxygen transfer to culture medium. NOTE: do…

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.

Capacity 1000 mL, 108 mm o.d. x 165 mm high Precision-formed borosilicate glass flask for determining the relative dissolution characteristics of drugs in capsule or tablet form. Flasks are suitable for use with most existing equipment.

Heavy walls Graduated Replaceable tube These PYREX heavy wall flasks have a seated bent, removable plastic tubulation in a grommet. Should the flask be upset, the grommet acts as a shock absorber. For convenience, the flasks are graduated to show approximate capacity. The neck finish…

Microvolumetric Class A flasks are individually serialized and supplied with a Certificate of Identification and Capacity.  Flasks are designed for microchemical work in accordance with the recommendations of the Committee of Microchemical Apparatus, Analytical Division of the A.C.S. To…

These PYREX® 4L 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 No. 38 Standard Taper pennyhead glass…

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…

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…