Lab Flasks

These Volumetric Flasks are made from quality borosilicate glass, and come fitted with a ground glass stopper. Volumetric flasks are used to contain a very precise volume of liquid or other substance at a particular temperature. Class B. PRODUCT WARNINGS WARNING: This product can expose you to...

Available in various sizes, these borosilicate glass round bottom flasks have three vertical necks with Standard Taper outer joints. The side necks are 180° apart.

These PYREX(r) 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 carefully controlled to provide the proper balance between thermal expansion and mechanical strength for...

SYNTHWARE Schlenk storage tube with a high vacuum valve. The valve has a PTFE O-ring at the tip and a PTFE wiper to protect the O-rings on the shaft. Valve is used to control liquid or gas flow into the vessel.

KimCote® plastic-coated single neck flask with a outer joint designed for easy recovery of reaction products. Total contents are accessible with a spatula or policeman. Lower portion fits standard heating mantles. Even wall thickness and minimum runout make these flasks ideal for use with Rotary...

Transluscent flasks are supplied with a PFA screw cap. Screw caps provide hermetic seals and help reduce the possibility of outside contamination. The product is manufactured to Class A tolerances as defined by ISO 1042 and flasks have individually calibrated graduation lines. They withstand high...

LD Series Liquid Nitrogen Dewars are designed for storage of small quantities of liquid nitrogen. High-strength aluminum shell is both durable and light-weight. Super insulation provides advanced thermal protection. Neck tube joins inner and outer container, providing maximum durability and minimum...

SYNTHWARE round bottom boiling flasks with spherical socket joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness. These flasks can be used as replacements for the collection flask on rotary evaporators.

Flat ground flange for use with all Reaction Flasks that have a 100mm (4") Duran ground mating flange. Supplied with three in line ground joints and one or two 90 degree joints. For thermometer or probe adapter, see our 5028 series. For clamp, see 6517.

Protective PVC coating for longer product life and safety Graduated to show approximate capacity Heavy wall Autoclavable (121 °C) and resistant to thermal shock Tubulation O.D. is 10 mm on sizes up through 1,000 mL and 12.5 mm on 2,000 and 4,000 mL sizes (tubing is non-coated).

This 500ml borosilicate glass flask features an attached handle and a smooth rim. The molecular structure of caffeine is enamled in white on one side, and the other side has standard flask graduations.

This borosilicate glass heavy wall filtering flask can be used with FILTERWARE® Filtration Apparatus (LG-1755). Supplied with a silicone stopper with 9/16" hole and a #2 hose connection, the 4000mL flask has 1/2" connections.

These corrosion- and leach-resistant flasks are excellent for rotary evaporation and distillation of high-purity chemicals. They are manufactured from PFA (a perfluoroalkoxy polymer) for excellent resistance to heat and chemical contamination, as well as smooth surfaces that greatly simplify...

Three piece Erlenmeyer Flask set made of high quality, heavy duty, borosilicate 3.3 glass. Includes three, narrow neck flasks with 500ml, 1000ml & 2000ml capacities. Flasks feature white, printed graduations, and beaded rims. Uniform, thick walls provide excellent strength against breakage. Set is...

HEAVY WALL Erlenmeyer shaped filtering flask with standard taper outer joint. For stoppers see CG-3000.

Designed for mammalian suspension culture applications as well as bacterial & yeast culture Available with either solid or vent cap to eliminate the chance of unintended venting, unlike combination caps Vent caps feature 0.22µm hydrophobic membrane which allows for gas exchange without...

Single neck flask with a Standard Taper outer joint Heavy wall Ref: ASTM Method D95 Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

These Erlenmeyer Shaker Flasks are made of polycarbonate, PETG, or styrene/butadiene (Jumbo Flasks only). The polypropylene screw caps are vented with 0.2µm membranes to increase air transmission and enhance cell growth. The mouth size conforms with international SBS standards, for quick, secure...

 Erlenmeyer flask shaker tray for 25x25cm and 51x51cm. It has pre-mounted stainless steel clamps for Bellco Erlenmeyer flasks. Flask tray fits on top of standard tray platform.    Flask positions: 4 Dimensions: 25x25" Size: 1l

Erlenmeyer flask, wide mouth with beaded lip to resist chipping. 10 and 25mL capacity, used to carry out reactions or to hold items such as 9581 Craig Tube in microscale work.

Buret. Class A.

Trypsinizing flask for converting of homogenous tissue samples into cell suspensions by digestion of connective tissue. Side port has dam below the side arm to prevent undigested tissue from being poured out while decanting cells. Flask has GPI thread top and side arm cap. The three extra deep,...

The Celltreat 75 sq-cm tissue culture flask contains a stable hydrophilic surface that ensures uniform cell attachment. Zip closure bag keeps the contents of the bag safe and secure by preventing any leakages. The large canted neck gives smooth access to the entire flask surface. Thick durable walls...