Lab Flasks

Shake Flasks are the basic tool for growth studies of aerobic microbial cultures and have rigidly controlled baffle angles and depths to promote optimal oxygen transfer while reducing vortex formation. Designed for use with Orbital Shakers.

SYNTHWARE 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.

Designed for sustained high-temperature applications, these Single Standard Taper Neck Heavy Wall Round Bottom Flasks offer enduring functionality and reliable results. Their heavy-wall design provides enhanced durability, while the single standard taper neck allows for easy attachment of stoppers...

Replacement Caps for Tissue Culture Flasks Sterilized by gamma radiation Of clear polystyrene, treated for improved cell attachment and growth Of high optical clarity and are individually leak-tested 9381T30 Flask has black, rim-seal, screw cap of melamine resin with PVC liner. 9381T55 and 9381T80...

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

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...

These 50mL PYREX® flat bottom boiling flasks have full length outer 24/40 Standard Taper joints, but with shorter necks. Adapter Nos. 8800, 8820 and 8825 are used to connect flasks with different size joints, thus allowing numerous combinations for diverse assemblies. Manufactured from No. 7740...

Round bottom, HEAVY WALL single short neck flask with a standard taper outer joint. The 29/26 flasks have a groove tooled just below the grind to aid in clamping of the flask. Please note: There are separate listings for different capacity single neck round bottom flasks.

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Amber stained volumetric flasks are manufactured per ASTME-288 Class A Serialized glassware specifications. Calibrated to contain (TC), these flasks feature white enamel printing and diamond etched graduation line. For light sensitive materials. Specifications: Type 1 Borosilicate Glass Size: 10ml -...

These PYREX VISTA volumetric flasks are designed for use by customers that do not require the precision accuracy of our Class A capacity flasks. The shape, body and wall are the same as regular flasks but display the large blue marking spot and designation "PYREX VISTA" unique to the PYREX...

FLASKS, FERNBACH, 2800ML, WITH 6 BAFFLES, 2800mL flask with 3 baffles on the lower outside edge of the flask and 3 baffles on the bottom surface of the flask to help oxygen transfer to the culture medium. FLASKS, SHAKE, NO BAFFLES, DELONG NECK, WITH STAINLESS STEEL CLOSURES, Non-baffled flasks are...

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, the use rate of the shaker is significantly increased, and the survival rate and...

Robust and reliable, this filtering flask from Ace Glass is designed to withstand demanding laboratory conditions. The heavy-wall construction ensures durability, while the side hose connection facilitates efficient filtration processes. Suitable for both chemistry and biology labs, this flask...

Manufactured from type 1 class A borosilicate glass and designed for culturing organisms requiring a large surface area-to-volume ratio. The flask has a DeLong style neck and uses a 38mm SST closure 2005-00038 (sold separately).

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.

Ai heavy wall Buchner funnel with course frit, allowing you for vacuum filtering and separating solids from liquids.

KIMAX boiling flask with a short neck and a medium length standard taper joint. Designed from ASTM Specification E1403, Type II, Class 3 requirements.

Made of high quality borosilicate glass Conical shape for spill prevention Narrow Neck with ground glass socket White graduation lines Narrow neck conical flask with easy to read white graduation lines. Features a ground glass socket. No stopper included. Made of high quality borosilicate glass....

Ai 2L, flat-bottom, heavy wall, Erlenmeyer shaped filtering flask. Designed by Across International, these Heavy Wall 2L Erlenmeyer Shaped Filtering Flasks stand as a testament to quality and durability in laboratory environments. Crafted to withstand high pressure, these flasks are ideal for vacuum...

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....

100mL Flasks Clamp, compatible with 105008 (CO2-Resistant Shaker)

Borosilicate Glass Round Bottom Boiling Flasks are designed to give the best combination of thermal shock resistance, physical strength, and resistance to chemical attack.