Lab Flasks

KimCote® plastic-coated flask with a single graduation ring blasted on the neck, calibrated to contain. A ground glass stopper is supplied. Marking spots on all sizes. Designed from ASTM Specification E288, Class A unserialized requirements.

Three standard baffle indents to improve agitation during shaking Long neck reduces splashing that could reach the closure Neck accommodates polypropylene and stainless steel closures Durable white ceramic marking spot Manufactured from ASTM Type I, Class A borosilicate

Flasks are designed for culturing organisms that require a large surface area to volume ratio. Available with a plain 59mm ID neck, 38mm OD Delong style neck or GL-45 screw neck supplied with a vented cap.

RAY-SORB Processed Glass with No Stopper Pipet access is easy with wide-mouth, volumetric flasks Superior strength, durability and safety from heavy, uniform walls Quick identification with large, permanent, easy-to-read markings Flat interior bottoms for stirring with standard stir bars Accuracy -...

10cm² gas permeable membrane surface area with 40 ml media capacity. Expand 5 million cells into 200 to 400 million cells in about 12 days with only two exchanges of medium.

Overflow measuring flasks are a simple and very precise way to conform to fixed volume instructions. They are available in different sizes for different measuring ranges with the respective sample volumes.

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.

Used for limit test for arsenic as described in European Pharmacopeia, 1997, page 51. Complete consists of 125mL conical flask with 24/40 joint, a capillary chimney with a pulled tip below 24/40 joint at bottom, #5 O-Ring joint at top with hooks for 3/4" springs, and an adapter tube with #5 O-Ring...

These 1L PYREX® three vertical neck flasks have two side necks with 24/40 outer Standard Taper joints and a center neck with a 24/40 Standard Taper joint. All of the necks are at the same height

Shake style culture flask with long style straight neck, accomodates either plastic or stainless steel closures. Without baffles.

The strength of these flasks has been increased appreciably through machine-blown bodies. Sealed, heavy-beaded, heavy-tubing necks are tooled for snap-cap fit. Graduation line is sharp, permanent and large; white block letters make the inscription easy to read. 1 mL and 2 mL sizes are test-tube...

This high-quality short neck flask is designed to support a wide range of laboratory procedures, particularly those involving cell culture. The short and wide neck offers easy access for the transfer of cells and other materials. Constructed with durable materials, it is capable of withstanding...

Made of high quality, heavy duty, borosilicate 3.3 glass Class A tolerance conforms with ISO 1042 standards Includes calibration certificate from ISO accredited testing lab Fitted with an interchangeable polyethylene stopper Features a single graduation mark for precise dilution and preparation...

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.