Lab Flasks

These flasks, also called vacuum flasks, have a side-arm with a 45° downward angle to prevent tipping.   Reduce broken glassware with this flask constructed of FDA grade polypropylene Side Arm accepts flexible tubing from 3/8" to 1/2" I.D. 1000 ml capacity

50cm² gas permeable membrane surface area with 500 mL media capacity. Expand 25 million cells into between 1 billion to 2 billion cells in about 10 days with NO medium exchange. [GAMMA IRRADIATED. For non-clinical, non-therapeutic, research use only.]

Amber stained volumetric flasks are manufactured per ASTM E-288 Class A Serialized glassware specifications. Calibrated to contain (TC), these flasks feature white enamel printing and diamond etched graduation line. For light sensitive materials. Specifications: Type 1 Borosilicate Glass Size: 50ml...

Replacement vessel is supplied with black phenolic, rubber lined caps for the 18mm side arms, polypropylene caps and pouring rings for the GL-32 and GL-45 side arms.

These PYREX® standard volumetric flasks conform to Class A capacity tolerances prescribed by ASTM. However, to facilitate transfer of crystals, salts and powders, the open end has been expanded on the 25mL and 50mL sizes. The standard 18-410 G.P.I. thread screw caps have a durable cone-shaped...

Specially designed for laboratories where extra security against contamination is necessary Sterile Cap contains 0.22 mm hydrophobic filter, which prevents wetting and bacteria from growing through membrane while allowing quick, stable buffering in aCO₂ incubator. Filter membrane has a...

DeLong culture flask Borosilicate glass Type 1, Class A Graduated to approximate volumes

With long neck and standard taper 24/40 outer joint. Ideal for various laboratory applications, this flask features a single neck and a flat bottom design to ensure stability during use. It is made from high-quality, durable glass that can withstand different laboratory conditions. This product is...

SYNTHWARE round bottom, heavy wall, four neck flasks with standard taper outer joints on both the center neck and the angled side necks. All sizes are hand blown from tubing to ensure uniform wall thickness.

Made of high quality borosilicate 3.3 glass Includes polyethylene snap cap Single graduation line for precise dilution and preparation Class B as per ASTM-E288 Volumeteric flaks made of durable borosilicate 3.3 glass with a single graduation mark. Fitted with a chemically-resistant polyethylene snap...

Flask have wide-mouth design for easy pouring and printed scale of approximate volumes Specifications: Material: Polypropylene Includes: Polypropylene Screw Cap Size: 250mL Volume: 250x50mm Thread: 52mm Case Quantity: 6

Wide mouth design facilitates mixing, pipette access, sampling and filling. Unique Flat Bottom Interior permits the use of a standard stir bar. Large permanent white letters make the capacity clearly visible. Flasks are calibrated "To Contain" at Class A tolerances, per ASTM E288...

Replacement evaporator flask for Buchi rotary evaporators. Pear shaped heavy wall with a standard taper single neck. Safety coated.

With a unique design for the manipulation of air-sensitive and moisture-sensitive compounds Features a modified Kjeldahl shape that facilitates heating, stirring and solvent stripping without impairing ease of liquid and solid transfer The bottom of the flask is shaped to fit Kontes oil spherical...

Similar to 5028M40 series, but aluminum base extends up to mouth of flask Without plastic mesh

TriForest Erlenmeyer Shaker Flasks are manufactured with virgin, optically clear, non leaching LEXAN® Polycarbonate resin that retains clarity after gamma radiation. The flasks are certified pyrogen free, DNase/RNase free, ideal for cell cultures, microbial cultures, plants, media preparation,...

Calibrated "to contain"; tolerances are within Class B specifications With marking spot and polyethylene snap cap

Made of high quality Borosilicate glass Includes 4 pieces 1000ml flask, 300ml funnel, 47mm vacuum base with sintered disk and 47mm clamp Designed to maximize flow and reduce foaming Sintered disk, which acts as a filter is G2 porosity, with a 40-90 micron range This filtration assembly is used for...

Triple packed products are used where sterile transfer of products is essential. With single packaging, contamination adhering to the outside of the bag can be carried into clean room areas. Therefore all single packed materials must be wiped clean with 70 % alcohol or other disinfectant. Triple...

For use in vacuum filtration applications Withstands full vacuum (to 30” Hg) With hose barb for 1/4” I.D. tubing

100cm² gas permeable membrane with 1000 mL media capacity. Expand 50 million cells into between 2 to 4 billion cells in about 10 days with NO medium exchange. [Validated Sterile Fluid Path]

Stainless steel bottom base for extra strength includes four rubber feet for added stability. Carriers are dishwasher and oven safe. For use with 6L or 9L vessels or carboys.   Specifications:          Material: Stainless...

Manufactured from KIMAX™ borosilicate glass, ValueWare has a low coefficient of expansion and a very high resistance to chemical attack. This means optimal performance in the lab at an affordable price. Long life expectancy, resistant to most chemicals. Ideal for general laboratory use....

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