Best Karter Scientific Lab Erlenmeyer Flasks in 2026

Contains 1 each 50, 150, 250, 500 & 1000ml Flask

High quality inert 3.3 borosilicate glass

Height of each as follows:, 50ml = approx. 85mm, 150ml = approx. 120mm, 250ml = approx. 140mm ,500ml = approx. 175mm , 1000ml = approx. 220mm

Capacity: 500ml / 16oz. (approx.)

Graduations: 50ml, 200ml to 500ml

Height: 186mm / 7.3" (approx.)

Capacity: 1000ml

Graduations: 50ml, 250ml to 1000ml

O.D. x Height(mm): 129 x 216

3 Sizes 50ml 100ml 250ml

High quality 3.3 Borosilicate glass, Uniform wall thickness

Extra large marking spot

Capacity: 1000ml

Graduations: 200ml, 400ml to 1000ml

Height: 228mm (approx.)

Made of eco-friendly food-grade plastic, durable, non-toxic and odorless.

Standard capacity: clear scale, easier to identify. Standard scale line, for accurate measurement.

Solid base design, for more stable placement, reducing measurement error.

100% SATISFACTION SERVICE: Our Erlenmeyer Flasks are made of high quality borosilicate glass. If they are any questions, please feel free to contact us, we will do our best to meet your satisfaction. Pls note that the stopper is very soft, you have to push hard to get in, only that it doesn't push out.

High Quality Borosilicate Glass: High temperature resistance. These borosilicate glass erlenmeyer flasks have High chemical durability and low thermal expansion.

Convenient to use: Suitable for beginners or professional use, also the students, convenient classroom borosilicate glass erlenmeyer flasks.

3 RUBBER STOPPERS INCLUDED: This set has 3 rubber stoppers for these 3 Erlenmeyer Flasks, which are sterile & can seal the liquid in the flasks perfectly for experiment.

ACCURATE SCALES: 3 Erlenmeyer Flasks in different sizes (250ml 150ml 50ml) have clear and accurate scales for you to measure liquid efficiently & accurately without any problem.

SIGNIFICANT FEATURES: Reusable, environmental friendly, will not shatter easily, easy to clean, high temperature resistance, for laboratory, chemistry, science experiment, liquid measuring, etc.

2 Pack; Capacity is 50/100/250/500mL

Material is Borosilicate Glass

High quality material and perfect handcraft

LABORATORY FLASK: This narrow mouth conical borosilicate glass flask is ideal chemistry glassware for use in laboratories, schools, and for home and STEM activities and experiments.

SAFE & DURABLE: Offering superior heat, chemical and thermal shock resistance, the flat bottom lab glassware with heavy duty rim delivers premium strength and will not shatter easily.

CLEAR METRIC MARKINGS: A graduated metric scale in white enamel makes it easy to measure liquids and approximate contents, and the lab glass flask has a large labelling area.

Package contains: 1 each 50ml 150ml and 250ml glass conical flask.

Size (Diameter X Height): 50ml: 5.1cm(2.01in) x 8.5cm(3.35in); 150ml: 6.9cm(2.72in) x 12.2cm(4.8in); 250ml: 8.5cm(3.35in)X14.5cm(5.7in).

Material: these flasks of great quality are made of 3.3 Borosilicate glass, with high chemical durability and low thermal expansion, which can withstand the high temperature and thermal shocks. Microwavable and autoclavable.

Capacity: 125ml

Graduations: 25ml, 50ml to 125ml

Height: 114mm

Set Includes 6 Erlenmeyer flask shot glasses feature periodic table squares for the most powerful elements known to human science; includes VODKA, RUM, SCOTCH, WHISKEY, TEQUILA, and BOURBON

These 2.5 ounce glasses feature calibration marks in milliliters allowing you to pour precise volumes of your preferred alcohol solution

Lab-grade borosilicate glass is oven, microwave, fridge, and freezer safe - Drink Periodically glassware is the real deal

1.Capacity: 250ml,6pcs

2.Height: 140mm

3.Tolerance: approximately +/- 5%

500ML CAPACITY || Single Erlenmeyer Flasks with 500mL capacity and easy-to-read white enamel graduations every 100mL

INDUSTRIAL STRENGTH || Made of high quality, heavy duty, borosilicate 3.3 glass with excellent strength against breakage. Microwavable and autoclavable, with superior chemical durability. Can withstand high temperatures and thermal shocks

SUPERIOR DURABILITY || Features uniform wall thickness ideal for heating and a reinforced rim for protection against high impacts

3 Sizes: 250ml, 100ml, 50ml, Each flask has clear scale, allowing you measure the liquid accurately.

Good Sealing: Frosted glass sealing stopper provides superior sealing. Note: Stoppers and bottles correspond one to one, not interchangeable.

Durable: Made of Borosilicate 3.3 Glass, it has high temperature resistance, acid and alkali resistance, durable to use.

DESIGN----The flat bottom flask is likely the round bottom flask but with a flat bottom allowing it standing up flat surface as the flask can sit upright on its own,rather than in a flask clamp or cork stand,ideal for using as a receiving flask.When under heating,it is not durable as round bottom flask but better than Erlenmeyer flask which have the sharp and vulnerable corners.The short neck is with a standard taper joint,which can attach the lab glassware with standard tape joint.

WIDELY USED-----A flat bottom flask is used in chemistry laboratory for experiments involving collecting and measuring liquids, mixing solvent In a distillation apparatus,the flat bottom flasks can attach to a distillation adapter,liebig or allhnn condenser,take off adapter as a distillation or receiving flask.In a soxhlet extraction, a flat bottom attaches the soxhlet extractor used as boiling and receiving flask.

DIMENSIONS-----This flat bottom flask has a capacity of 500mL,the short neck is with a 24/40 standard taper female joint, which is interchangeable ,can be attached to any jointed glassware with a 24/40 male joint.

INDUSTRIAL STRENGTH || Made of high quality, heavy duty, Borosilicate 3.3 glass. Thick, uniform walls provide excellent strength against breakage. Designed for use in professional laboratories, but is ideal for classroom, garage and home use

5 PIECE SET || Set includes five Erlenmeyer flasks. 50ml, 150ml, 250ml, 500ml & 1000ml capacities. Flasks feature narrow necks, beaded rims and white, printed graduations

SUPERIOR HEAT & CHEMICAL DURABILITY || Microwavable and autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks

250mL Capacity: 6pcs of 250ml lab glass Erlenmeyer conical flasks in total.

Industrial Strength: These flasks are made of 3.3 Borosilicate glass material, uniform wall thickness, high quality and heavy duty.

Conical Type and Narrow Mouth: These flasks are narrow mouth in conical type, with printed graduation and extra large marking spot.

Package contains: 3 pack 50ml conical flasks, each flask with a matching glass stopper, which is more suitable for the analysis of volatile substances and experiments that cannot use cork or rubber stopper.

Size (Diameter X Height): 5.0cm(1.96in) x 9.0cm(3.54in).

Material: this flask of great quality is made of 3.3 Borosilicate glass, with high chemical durability and low thermal expansion, which can withstand the high temperature and thermal shocks. Microwavable and autoclavable.

Package contains: 6pcs 50ml glass conical flasks.

Size (Diameter X Height): 51mm(2.0in) x 90mm(3.54in).

Material: these flasks of great quality are made of 3.3 Borosilicate glass, with high chemical durability and low thermal expansion, which can withstand the high temperature and thermal shocks. Microwavable and autoclavable.

Autoclavable: yes

Material: borosilicate glass

Tolerance (ml): 0.05

Package contains: 1 each 50ml 150ml and 250ml glass conical flask and 1 cleaning brush. Each flask has a matching glass stopper, which is more suitable for the analysis of volatile substances and experiments that cannot use cork or rubber stopper.

Size (Diameter x Height): 50ml: 1.96in(5.0cm) x 3.54in(9.0cm); 150ml: 2.75in(7.0cm) x 4.53in(11.5cm); 250ml: 3.26in(8.3cm) x 5.51in(14.0cm).

Material: these flasks of great quality are made of 3.3 Borosilicate glass, with high chemical durability and low thermal expansion, which can withstand the high temperature and thermal shocks. Microwavable and autoclavable.

Flasks and VersaCaps are autoclavable

Vented VersaCaps available

Sterility tested to SAL 10^-6

1000ml Glass conical flask with narrow mouth

High quality borosilicate 3.3 glass.

Height=225mm, O.D. at base=128mm.

Durable: Made of food grade plastic, durable, excellent quality. Pack of 3, 50ml+100ml+500ml.

Stable: The sturdy base design makes the placement more stable and reduces the measurement error.

Accurate: The scale is clear and easier to identify. Standard tick marks for precise measurements.

Ideal for a wide range of uses for laboratory test

The non-wetting interior surface is able to eliminate concave menisci and provide more accurate measurements.

Plastic equivalent will greatly reduce the risk of breakage and the potential for injury.

LABORATORY GLASSWARE-- Light in weight, easy for you to store and carry, will not take much space of laboratory.

LONG-NECK GLASS FLASK-- Usage: Suitable for labs, chemistry rooms, education, , classrooms, agriculture and other fields where research and experiments need to be conducted.

ROUND FLASK-- simple distillation, steam distillation, fractional distillation, boiling,

Polycarbonate

125mL

Baffled Bottom

Leakproof

Optically clear

Shatterproof