Lab Flasks

Clear glass with glass stoppers 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 - graduated...

Calibrated "to contain" Red stripe, through which capacity mark is etched for legibility and permanence Barrel-shaped Standard Taper glass stoppers

SYNTHWARE modified Schlenk flask with a standard taper outer joint and 2mm bore glass stopcock in side arm. The Kjeldahl shape permits easy transfer of liquids and solids. The lower portion of the flasks fits standard heating mantles to facilitate heating and stirring.

Calibrated "to contain", they are designed from ASTM Specification E288, Class B requirements Sizes 10 through 50 mL include Standard Taper 9 glass stopper; size 100 mL, Standard Taper 13; sizes 200 and 250 mL, Standard Taper 16, size 500 mL, Standard Taper 19; 1,000 mL, Standard Taper 22...

Sterilized by gamma irradiation 33 mm polyethylene threaded cap Thomas No. 1234H49 is a universal cap with a vented overcap designed to fit pre-existing filling systems for other product brands. Vented overcap has 1.0 µm PTFE membrane sealed into the peelable foil cover. 1234H51 is a 33 mm...

Micro Filtering Flasks These PYREX® VISTA™ micro filtering flasks are recommended for microchemical use. The vacuum hose is attached to the flask's sidearm. A funnel is inserted into the neck of the flask through a ground joint or rubber stopper. The applied vacuum facilitates the...

Sterile, polycarbonate flasks with baffles. Virtually unbreakable Lexan (registered trademark of GE Plastics) polycarbonate is used in the manufacture of this product. Flask comes sterile via gamma irradiation, packaged in its own protective bag with a polypropylene, 38 mm, dual purpose cap. The cap...

With reinforced rims, fire-polished to reduce chipping Will withstand repeated sterilization (wet or dry) Ideal for storage and crystallization

Iodine flask with size 22 stopper Size 22 PTFE standard taper stopper is included A durable matte-finish ceramic enamel marking spot takes writing and erases easily Designed from ASTM Specification E1404, Type II, Class 3 requirements

Rugged cylindrical flask with neck opening of 4". Uses 6496 Clamp for securing flask head to flask. For use with 6478 heating mantles.

Manufactured from Type 1 Borosilicate Glass. Designed with deep side baffles for optimal agitation. Promotes enzyme digestion of tissue fragments and homogenates into cell suspense. Includes rubber lined black phenolic screw caps. Integral dam contains non-trypsinized tissue during decanting....

These PYREX® long neck shaker culture flasks are basically Erlenmeyer flasks to which a long straight, rimless neck of heavy tubing has been added. The longer necks reduce the amount of splashed solution reaching the closure. They are ideal for shaker cultures. Their uniform wall thickness...

Triple baffled flask has a Delong style 38 mm neck for plastic or stainless steel closures. Triple baffles are located at the center of the flask bottom to achieve maximal oxygen transfer to culture medium. Closures are sold separately.

Cell culture shake flask with three outside edge baffles. Baffles are deeper than standard flask to enhance mixing and oxygen transfer to media. Flask has a long style neck to accomodate either plastic or stainless steel closures.

Borosilicate glass filtration apparatus accomodates 47mm diameter 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 piece. The unit is easy to...

Manufactured from type 1 class A borosilicate with DeLong® neck and 25 mm SST Closure. Ideal for growing, storing and mixing of aerobic and anaerobic cultures.

With standard taper outer joint at top. Designed for robustness and reliability, this high-quality Kjeldahl Flask is an essential tool for any laboratory conducting nitrogen analysis. Its design ensures optimal performance during the digestion and distillation phases of the Kjeldahl method,...

Round bottom, HEAVY WALL single short neck flask with a spherical socket joint. Flasks having a 35/20 socket joint are used as replacements for the collection flask on rotary evaporators.

Heavy glass with side tubulation for tubing Sizes 25 mL through 4000 mL Designed from Federal Specifications NNN-F-240 Scale indicates approximate volumes Flasks are fabricated from molded heavy wall for strength and have a beaded bottom surface that prevents scratching and slippage for additional...

Heavy wall, wide mouth flask with a GL80 glass thread and a 24/40 connecting adapter. Flasks have a heavy wall for vacuum applications and are balanced to prevent run-out during rotation. Unique design makes it easier to handle highly viscous liquids, powders, and solids. The large opening permits...

Manufactured from Type 1 Class A Borosilicate Glass. Designed with deep side baffles for optimal agitation. Large bottom surface for easy access with Bellco large orifice pipette. Specifications: Type 1 Class A Borosilicate Glass Size: 1L Break Resistant Lip Dimensions: 128 X 223mm Case Quantity: 2

Fernbach style culture flask with 38mm long style straight neck to accomodate plastic or stainless steel closures, see Ace 3917 & 3918 product families. Flat bottom, no baffles. Caution! Do not place on direct heat source.

Similar to CG-1512 recovery flasks, but plastic coated to prevent injury from broken glass and spillage of hazardous materials.

Made of high quality borosilicate glass Designed for nitrogen determination as per Kjeldahl method Conforms to DIN ISO 12360 standard Kjeldahl flask made of heavy-duty borosilicate 3.3 glass. Long neck, round bottom, and ground glass socket designed for nitrogen determination as per Kjeldahl method....