Lab Flasks

Lightweight plastic material is easier and safer to handle than glass Designed for mammalian suspension culture applications as well as bacterial & yeast culture Baffled flasks enhance both vertical and circular culture movement to improve aeration Vent cap options are available to prevent the...

Graduated, round bottom receiving flask for use with all rotary evaporators. 35/20 spherical outer joint will also mate to 35/25 ball joints. 250ml & 500mL size graduated in 10ml increments, 1000ml & 2000ml in 100ml increments.

Individual well specifications: 2cm² gas permeable membrane with 8mL media capacity. Expand 1 million cells into between 40 to 80 million cells in about 12 days with only two exchanges of medium. [GAMMA IRRADIATED. For non-clinical, non-therapeutic, research use only. No certificate provided.]

Volumetric Flask made of high quality, heavy duty, 3.3 borosilicate glass Class B tolerance complies with ISO 1042 standards Features a single graduation mark for precise dilution and preparation Ground glass socket fitted with a chemical resistant polyethylene stopper. > Volumetric Flask made of...

Flasks and caps are constructed of chemical resistant polypropylene All flasks and caps are fully autoclavable The TUNAIR™ Shake Flask Systems are a unique and patented flask and closure system, designed for microbiology and biotechnology applications. This system provides optimum growth...

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...

Flat bottom borosilicate flask for use with Labconco and Virtis freeze dryers. Wide mouth design provides easy access sample. PLEASE NOTE: FLASKS ONLY. NOT SUPPLIED WITH RUBBER TOP, FILTER OR O-RING. Note: Labconco and Virtis are not related to or affiliated with Chemglass, and these manufacturers...

With tooled neck for uniform stopper fit. Side hose connection is #11 Ace-Thred that accepts a PTFE Tubing Connector with silicone O-Ring and Nylon bushing to make an easier, safer, more convenient vacuum hose connection. Two connectors are available:

Round bottom, HEAVY WALL, four neck flask with standard taper outer joints on the center and 20º angled side necks.

Nephelo culture flask with side port and angled side arm cuvette for standard Nephelometers and spectrophotometers. Supplied with 38-430 phenolic top cap and 18-415 clean-out port cap.

KIMAX boiling flask designed from ASTM Specification E1403, Type II, Class 3 requirements.

These borosilicate glass Erlenmeyer flasks have narrow mouths, tooled top finishes, and graduations. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more...

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.

These 100mL PYREX(r) round bottom boiling flasks have long necks with tooled mouths and take a rubber stopper. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater...

These flasks, also called vacuum flasks, have a side-arm with a 45° downward angle to prevent tipping.   Reduce broken glassware with this flask constructed of FDA grade polypropylene Side Arm accepts flexible tubing from 3/8" to 1/2" I.D. 1000 ml capacity

50cm² gas permeable membrane surface area with 500 mL media capacity. Expand 25 million cells into between 1 billion to 2 billion cells in about 10 days with NO medium exchange. [GAMMA IRRADIATED. For non-clinical, non-therapeutic, research use only.]

2L PC Erlenmeyer Flask Ideal for shaker culture applications 2L H-Efficiency Erlenmeyer 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,...

Amber stained volumetric flasks are manufactured per ASTM E-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: 50ml...

Replacement vessel is supplied with black phenolic, rubber lined caps for the 18mm side arms, polypropylene caps and pouring rings for the GL-32 and GL-45 side arms.

These PYREX® standard volumetric flasks conform to Class A capacity tolerances prescribed by ASTM. However, to facilitate transfer of crystals, salts and powders, the open end has been expanded on the 25mL and 50mL sizes. The standard 18-410 G.P.I. thread screw caps have a durable cone-shaped...

Specially designed for laboratories where extra security against contamination is necessary Sterile Cap contains 0.22 mm hydrophobic filter, which prevents wetting and bacteria from growing through membrane while allowing quick, stable buffering in aCO₂ incubator. Filter membrane has a...

DeLong culture flask Borosilicate glass Type 1, Class A Graduated to approximate volumes

With long neck and standard taper 24/40 outer joint. Ideal for various laboratory applications, this flask features a single neck and a flat bottom design to ensure stability during use. It is made from high-quality, durable glass that can withstand different laboratory conditions. This product is...