Lab Flasks

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 Without a capacity scale Standard Taper PTFE stopper is supplied with the flask Replacement stopper is 41901R Designed...

Heavy wall filtering flask includes a bolt neck with tubulation. Borosilicate glass flasks are designed to give the best combination of thermal shock resistance and physical strength. Feature heavy-duty rims and printing in durable white enamel.

These PYREX® three neck flasks have two angled side necks at the same height with Standard Taper outer joints and a larger center neck with a vertical Standard Taper joint.

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

Pope Lab Grade Dewars are supplied with stoppers for the wide mouth model and for the narrow mouth cylindrical Dewars. Need another one? Replacement stoppers can be purchased separately.

Spring clamp for Erlenmeyer Flaskss, 100 mL (requires 8970620)

Wide Mouth, conical flask made of polypropylene. Comes with a screw cap, or can be used with a stoper. Chemical resistant and autoclavable to 120 degrees C. Graduated in easy to see green print

100cm² gas permeable membrane surface with 1000 mL media capacity. Expand 50 million cells into between 2 to 4 billion cells in about 10 days with NO medium exchange. [GAMMA IRRADIATED. For non-clinical, non-therapeutic, research use only.]

These flasks are for use in determining phosphoric acid in mixed fertilizer.  Flasks feature a wide neck and heavy construction throughout.

Round bottom, HEAVY WALL, four-neck flask with standard taper outer joints on the center neck and vertical side necks. The third neck is a 10/30 outer joint for use with a CG-3506, 10/30 jointed thermometer. Flasks with 29/26 center necks have a groove tooled just below the grind to aid in the...

SYNTHWARE recovery/evaporating, heavy wall, single neck flask with a standard taper outer joint. Desined for easy recovery of reaction products and for use with rotary evaporators. All sizes are hand blown from tubing to ensure uniform wall thickness.

Carefully designed and manufactured from borosilicate glass Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance Excellent chemical durability provides contamination-free results and long life under the...

Round bottom, HEAVY WALL single short neck flask with a standard taper outer joint. The 29/26 flasks have a groove tooled just below the grind to aid in clamping of the flask. Please note: There are separate listings for larger capacity round bottom flasks.

In contrast to standard tissue culture surfaces which are optimised to enhance conditions for cell attachment, the cell-repellent surface has been developed to effectively prevent cell attachment.CELLSTAR® cell culture vessels with a cell-repellent surface reliably prevent cell attachment in...

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:...

Translucent polypropylene flasks are manufactured with blue graduations for reference. The flasks have a screw neck and are supplied with a PP cap. Translucent polymethylpentene flasks are manufactured with red graduations for reference. The flasks have a screw neck and are supplied with a PP cap.

Designed for use with rotary and reciprocating shakers Plain, fire-polished finish All necks are 38 mm o.d. Baffle indents provide greater turbulence to improve oxygen transfer rates or aeration.

Sterile disposable Erlenmeyer culture flasks are supplied with 2-polypropylene closures one with a solid top closure attached and another with a 0.2 micron PTFE vented closure. The flasks are graduated, non-pyrogenic and manufactured with Lexan Virgin Polycarbonate Resin.They are disposable or...

Made of high quality, heavy duty, borosilicate 3.3 glass USP compiant 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...

Three-neck heavy wall round-bottom flask with Standard Taper outer joints Side necks are vertical Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Flask has 6 baffles, 3 baffles on the lower outside edge of the flask and 3 baffles on the bottom surface of the flask to maximize oxygen transfer to the culture medium when used on an orbital shaker. Gray polypropylene vented cap has a 0.22µm (PTFE) hydrophobic membrane to allow gas exchange...

Dual purpose flask features the TWISTLOR ACE-Seal: simply push adapter head and flask together, turn 90 degrees. Flange on flask has two ground-flats opposite each other that allow Nylon retainers on adapter head to pass over. O-Ring positioned in head

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