Lab Flasks

Dual angled sidearm fittings can be used for aseptically transferring medium into or out of angled sidearm spinner flasks or for sparging the medium with gases. Fittings are comprised of a PET insert with a fluorocarbon O-Ring and a polypropylene sealing cap. Two 316 stainless steel tubes, which...

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

Delong style Three baffle indents Designed to provide greater agitation of solution to improve oxygen or gas transfer when used with rotary or reciprocating shakers. Long neck reduces splashing and is designed for two-position polypropylene closures.

Used for volatile fatty acid test; ASTM D-1076. Fabricated from standard wall tubing throughout. Hose connections on still are size D; on condenser, size C.

SIBATA Class A, to contain, volumetric flasks meet ASTM E-288 Class A Specifications & USP Standards for volumetric glassware. These flasks feature machine-blown bodies and heavy-beaded, heavy-tubing necks which are tooled for standard taper stoppers. The graduation line is sharp and permanent;...

Rugged spherical reaction flask with Duran, flat, ground flange with O-Ring groove, for use with 6517 Quick Release Clamp. Each flask is supplied with one CAPFE O-Ring (PTFE encapsulated silicone O-Ring). Plain silicone O-Rings are also available. For reaction heads, see 6528, 6529 or 6530. For...

Manufactured from type 1 class A borosilicate glass and designed for culturing organisms requiring a large surface area-to-volume ratio. The flask is supplied with a GL45 blue polypropylene linerless screw cap and pouring ring. Dimensions: 200 x 157mm

KimCote® plastic-coated single neck flask with a SJ socket joint. Useful as rotary evaporator condensate collection flask or as a replacement for European designation KS 20/35.

Round bottom flask with four necks arranged 3 in-line and one at 90 degrees. 500ml and smaller flasks have angled side necks while larger sizes feature vertical necks. Available in heavy wall.

Calibrated both "to contain" and "to deliver" (top line). Graduation rings and marking spot are blasted onto glass. ground glass stopper is supplied with the flask. Designed from ASTM Specification E288, Class A unserialized requirements. Replacement ground glass stopper is...

Synonyms: bottom flask; flask round; round flask Legal Information: Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Borosilicate glass filtration apparatus accomodates 25mm membrane filters. The new design utilizes a nylon Ace-Thred adapter to join the glass funnel, filter flask and fritted disc together. This design eliminates the need for the clamping device, stopper and base. The unit is easy to assemble,...

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...