Lab Flasks

These PYREX(r) pear-shaped boiling flasks have full length outer 24/40 Standard Taper joints and 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 shock resistance....

Available with treated surface, suitable for adherent cell culture, suitable for suspension cell culture Available in three sizes: 25, 75, and 175 cm² with a flat surface (bottom of flask) Mouth design that gives easy access to entire surface of flask Graduated on both sides Includes white...

Solid Standard Taperglass stopper and hexagonal base Calibrated "to contain" at 20°C, in accordance with ASTM Standard E 237 Made to the following tolerances: 1 mL: ±0.01 mL; 2 mL: ±0.015 mL; 5 and 10 mL: ±0.02 mL; 25 mL: ±0.03 mL 1, 2 and 5 mL flasks take Standard Taper 8 stopper; 10 and...

Pear-shaped boiling flasks have full length outer 14/20 Standard Taper joints and 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 shock resistance. Their excellent...

PYREX round bottom boiling flasks have full length outer Standard Taper joints, but with shorter necks. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are controlled to provide balance between thermal expansion and mechanical strength for greater shock resistance. The round...

KIMAX® heavy wall filter flasks have a quick-release connector designed as a safety feature Hose barb accommodates 1/4 inch ID tubing Tubing can remain permanently attached since the opposite end is designed to be easily assembled via a positive threaded seal Proper positioning of the connector...

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

DeLong culture flask Ideal for growing, storing and mixing of aerobic and anerobic cultures Borosilicate glass Type 1, Class A Graduated to approximate volumes

2 mm glass stopcock. The side-arm accommodates a septum (use Z565695 or Z565679). Designed for small-scale manipulation of air and moisture-sensitive reagents. Thermoplastic screw caps with Viton O-rings usable to 140C. Synonyms: storage tubes; tube flask; tube storage

Erlenmeyer flasks. Molded of chemically resistant, autoclavable polypropylene. Graduations are permanently molded into flask. The autoclavable polypropylene ribbed flask stand supports round bottom flasks that contain up to 10 liters.  May be stacked to save space or add height. Dimensions...

KIMAX flask with a full-length standard taper ground glass neck finish. Designed from ASTM Specification E1404, Type II, Class 1 requirements.

Individual well specifications: 10cm² gas permeable membrane with a 100mL 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. No certificate provided.]

Enhance the efficiency and reliability of your laboratory procedures with this 2000mL Flask Clamp. Specifically designed for compatibility with the 105008 CO2-Resistant Shaker, it provides the stability necessary for accurate, repeatable results. Whether you're conducting routine experiments or...

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

Manufactured from Type 1 Class A Borosilicate Glass. Ideal for use to prepare solutions, and to contain. Flat bottom bulb with a elongated neck with permanent graduation line and marking area. Volumetric flasks are calibrated for a particular temperature usually 20 degree Celsius. Specifications:...

For the determination of the iodine number of oils, fats and waxes by the Wijs and Hanus methods Flaring, funnel-shaped lip and Standard Taper 22 stopper

Single neck, flat bottom flask with a standard taper outer joint. Designed with precision and functionality in mind, this Single Neck Flat Bottom Flask is an essential tool for any science laboratory. The flask offers a flat base for stability during use, making it ideal for heating and boiling...

5cm² gas permeable membrane surface with 50 mL media capacity. Expand 2.5 million cells into between 100 to 200 million cells in about 10 days with NO medium exchange. [Validated Sterile Fluid Path]

Ideal for cultures that require a large surface area to volume ratio With three standard baffle indents to improve agitation during shaking Supplied with GL45 closure Durable white ceramic marking spot Manufactured from ASTM Type I, Class A borosilicate

Round bottom, two neck flask. Side neck is angled. Available in standard wall for more rapid heating or heavy duty for mechanical shock resistance.

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...