Lab Flasks

Glass Class A Volumetric Flasks feature a pennyhead stopper and are Batch Certified. Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E288.

Available with markings in four colors, the KIMAX® Colorware flasks are brighter in appearance than traditional glassware with white markings. These flasks are also commonly used to help reduce cross-contamination and for easy identification of glassware between labs. KIMAX® flask with...

Borosilicate Glass Filtering Flasks include a heavy-duty rim and a bolt neck with tubulation. Graduations are printed in durable white enamel. Manufactured from low-expansion Type 1, Class A Borosilicate 3.3 glass that complies with ASTM E438 Standard Specification for Glasses in Laboratory...

6514F35 of borosilicate glass, with Standard Taper 35/25 socket mouth; without stopper or sample carrier. 6514F40 stopper fits the 500 and 1,000 mL flasks; glass hook tip on lower end; platinum sample carrier not included. Black paper sample wrappers (6514F70) absorb heat quickly for infrared...

Disposable flasks feature wide, easily accessible mouths All flasks have Sterility Assurance Level (SAL) of 10 -6 Non-binding Wide, easy access mouth Made from optically clear polycarbonate Sizes from 125 mL to 1 L Certified non-pyrogenic Non-baffled bottoms Certified RNase- and DNase-free Designed...

These borosilicate glass cylindrical reaction vessels are without constriction at the top and have a flat bottom. They feature sturdy walls and a tooled flat flange with a surface ground to assure a tight seal. There is a gently sloping contour at junction of side wall and bottom, thus preventing...

Borosilicate Glass Wide Mouth Erlenmeyer Flasks are designed for durability and feature a wide opening for use with larger rubber stoppers. Borosilicate glass flasks are designed to give the best combination of thermal shock resistance and physical strength. Feature heavy-duty rims and graduations...

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.

labForce® Erlenmeyer Shaker Flasks are made of polycarbonate to support many culturing techniques and storing of culture media. The flask material is durable, shatter resistant and lightweight compared to glass flasks. Polycarbonate Flasks are autoclavable at 121°C and 15PSI for 30 minutes....

Borosilicate Glass Narrow Mouth Erlenmeyer Flasks are designed for durability and long lasting performance and use in the lab. Borosilicate glass flasks are designed to give the best combination of thermal shock resistance and physical strength. Feature heavy-duty rims and graduations in durable...

labForce® Jumbo Erlenmeyer/Fernbach Shaker Flasks are made of Styrene Butadiene to support many culturing techniques and storing of culture media. The flask material is durable, shatter resistant and lightweight compared to glass flasks. Caps sold separately.   Styrene Butadiene Baffled...

labForce® PETG Erlenmeyer Shaker Flasks are designed for suspension of cell culture, media prep, mixing and storage. The flask material is durable, shatter resistant and lightweight compared to glass flasks. Polycarbonate options available. Caps sold separately.   Polyethylene Terephthalate...

RAY-SORB® processed to protect materials sensitive to the light of shorter wavelengths Less than 1% transmission below 400 nm and approximately 5% transmission from 400-600 nm Pipet access is easy with wide-mouth volumetric flasks Superior strength, durability and safety provided by heavy,...

Thomas Scientific™ Borosilicate Glass Narrow Mouth Erlenmeyer Flasks With Screw Caps are designed for durability and feature a GL-45 Screw Cap. Borosilicate glass flasks are designed to give the best combination of thermal shock resistance and physical strength. Feature heavy-duty rims and...

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.

Round bottom, heavy wall, pressure rated flask. All flasks come complete with a solid PTFE plug seal with front seal FETFE o-ring for better containment of product. Vessels are tested at 1.5x for a working pressure rating at 60PSI at 120°C. Flasks

DeLong culture flask without closure Stainless steel or kap-uts disposable closures purchased seperately Borosilicate glass Type 1, Class A Graduated to approximate volumes

The inside surface treatment by TPP provides an optimal growth surface on the flask base for the most varied matrix-dependent tissue cultures. The untreated side and top inside surfaces reduce the amount of cell loss during the separation phases, because undesired tissue adhesion outside the growth...

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....

Round bottom storage flask with a standard taper outer joint on the sidearm. The 50, 100 and 250mL sizes have a 0-4mm Chem-Vac™ Chem-Cap® valve while the 500 and 1000mL sizes have a 0-8mm valve size.

Synonym: filter flask, filter flasks, filtering flasks, flask filter General description 1,000 mL, with 3-way glass stopcock. Allows waste solvent to be drained from flask via stopcock without disassembly, thus minimizing breakage. Use with NMR tube cleaners, Gooch crucibles, and Buchner funnels....

Flasks are ideal for preliminary fermentation and bacterial growth studies Delong style neck and three side baffles Borosilicate glass type 1, class A Closures sold separately* *125mL flask uses 25mm

2800mL flask with 3 baffles on the bottom surface of the flask to help oxygen transfer to the culture medium.

Synonym: T300 flask, cell culture flask, tissue culture flask The inside surface treatment by TPP provides an optimal growth surface on the flask base for the most varied matrix-dependent tissue cultures. The untreated side and top inside surfaces reduce the amount of cell loss during the separation...