Lab Flasks

Synonyms: flask round bottom; round bottom flasks; round bottomed flask Legal Information: Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

1000 ML FLASK, ERLENMEYER

10cm² gas permeable membrane surface area with 100 mL media capacity. Expand 5 million cells into between 200 to 400 million cells in about 10 days with NO medium exchange. [GAMMA IRRADIATED. For non-clinical, non-therapeutic, research use only.]

Round bottom, HEAVY WALL three neck flask with standard taper outer joints on the center and side necks. Indentations increase agitation of the contents of the flask during stirring. Please Note: Morton Style Reactors/Flasks Not Suitable For Vacuum.

Round bottom flask with short neck and outer joint. Available in standard and heavy wall. Heavy wall approximately 30% heavier than standard wall. Used by glassblowers in fabricating single or multi-necked flasks.

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....

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

Screw cap or stopper Meet Class A tolerances per DIN EN ISO 1042 PFA or PMP construction Highly transparent Easy to clean Flasks are manufactured from PFA (a perfluoxy copolymer), which is highly resistant to heat and chemical contamination. PFA surface properties offer superior cleanability to...

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...

TriForest Fernbach culture flasks are sterile and designed for single use, however, it can be autoclaved and reused multiple times. They are ideal for all shaker/suspension culture. Like all TriForest Erlenmeyer flasks, the 3L Fernbach flasks come with the patented DuoCAP®. They are certified...

Ai 2L, 24/40 standard taper joint, heavy wall, round bottom 2-neck flask with one vertical 24/40 neck, and one angled 24/40 side neck. Glass material: high borosilicate glass 3.3.

Borosilicate glass volumetric flask, fitted with solid glass stopper, in compliance with ASTM-E288 standard. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C. Calibrated to contain. Eisco Labs proudly...

Kjeldahl shape flask with a standard taper outer joint. Highly durable and designed for optimal performance, this Kjeldahl Long Neck Flask ensures precision and reliability in all distillation and laboratory processes. Engineered with high-quality glass, it offers excellent chemical resistance,...

Round bottom, HEAVY WALL two neck flask with standard taper outer joints on both the center neck and vertical side neck.

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.

Manufactured from Type 1, Class A, Borosilicate and ideal for all culture and media preparation/storage purposes Supplied with GL45 blue polypropylene linerless screw caps and pouring rings and graduated to approximate volumes

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....

Filtering conical flask made of high quality Borosilicate glass Conical shape for spill prevention Integral Plastic Side Arm Filtering conical flask made of high quality Borosilicate glass with an integral plastic side arm Conical shape for spill prevention.  

Class A, USP, certified volumetric flasks. These are supplied with a glass stopper with a dripping tip. Available in both transparent and amber color. High contrast blue enamel print on transparent flasks and white on amber flasks represent the optimum combination of resistance and readability....

These pear-shaped evaporating flasks can be used as boiling type flasks for rotary evaporators. Synonyms: bottom flask; flask round; round flask Legal Information: Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

The Sibata Glass Stopper is lightweight yet very strong to reduce chipping and breakage. It meets ASTM E-675 specifications.

Single-neck flask with a Standard Taper outer joint at top Heavy wall Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Boiling, flat 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

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...