9 Best Conical Flask 250mls of 2025
Best Choice1
EISCOEISCO 12PK Erlenmeyer Flasks, 250mL - Borosilicate Glass - Narrow Neck, Conical Flasks
Main highlights- SUPERIOR DURABILITY || Features uniform wall thickness ideal for heating and a reinforced rim for protection against high impacts
- MEETS DIN ISO STANDARDS || Conforms with DIN ISO 1773 standards for narrow neck conical flasks
- INDUSTRIAL QUALITY || 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
- GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use
- 250mL CAPACITY || Pack of 12 Erlenmeyer Flasks, each with 250mL capacity and easy-to-read white enamel graduations every 50mL
9.8Exceptional
View offer on:
Show more
- Curious about how we select the top products for you? Explore How It Works
Value for Money2
ULABULAB Scientific Glass Erlenmeyer Flask Set, 5 Sizes 50ml 150ml 250ml 500ml 1000ml, 3.3 Boro with Printed Graduation, UEF1002
Main highlights- Tolerance is approximately +/- 5%
- High quality 3.3 Borosilicate glass, Uniform wall thickness
- Extra large marking spot
- ASTM Specification E960, Type I requirements
- 5 Sizes 50ml 150ml 250ml 500ml 1000ml
9.7Exceptional
View offer on:
Show more
3
UtileUtile Glass Erlenmeyer Flask Set, 250ml Narrow Mouth Erlenmeyer Flasks, 6pcs of Borosilicate 3.3 Glass Conical Flasks for Laboratory with Printed Graduation, 4016.0250.6
Main highlights- Industrial Strength: These flasks are made of 3.3 Borosilicate glass material, uniform wall thickness, high quality and heavy duty.
- Good Heat and Chemical Durability: These flasks will withstand repeated standard autoclave cycles of 121°C at 15 psi for 5 minutes, they are designed for heating by hot plate, flame, oven, microwave or heating mantle.
- Designed for use in professional laboratories, also ideal for classroom and home daily use.
- Conical Type and Narrow Mouth: These flasks are narrow mouth in conical type, with printed graduation and extra large marking spot.
- 250mL Capacity: 6pcs of 250ml lab glass Erlenmeyer conical flasks in total.
9.5Excellent
View offer on:
Show more
4
Young4usYoung4us Glass Erlenmeyer Flask Set, (250 ml, 150 ml & 50 ml) Graduated Borosilicate Glass Erlenmeyer Flasks with Rubber Stoppers & Accurate Scales for Lab, Experiment, Chemistry, Science Studies etc
9.1 Precision8.9 worth the money8.2 DurabilityWhy we love it
3 Rubber Stoppers included
Accurate scales
Reusable Eco friendly
9.4Excellent
View offer on:
Show more
5
PATIKILPATIKIL 250ml Plastic Erlenmeyer Flask with Screw Caps, 1 Pack Narrow Mouth Conical Flask for Laboratory, Clear
Main highlights- Notice: Always avoid exposing them to extreme temperatures or harsh chemicals that may cause deformation or discoloration. Clean them thoroughly after each use and store them properly in a safe place.
- Instruction: The Erlenmeyer flasks have a conical shape that provides excellent mixing and swirling capabilities. They have a wide base design that offers added stability and ease of handling. The clear graduations on the side make it easy to measure accurate volumes of liquids or chemicals.
- Capacity:250ml; Total Size: 8.4 x 13.8cm / 3.31 x 5.43 inch (D*H); Mouth Dia.: 3.4cm / 1.34 inch; Package List: 1 x Plastic Erlenmeyer Flask
- Application: Our Erlenmeyer flasks are essential tools for various lab settings and experiments. They are perfect for measuring and storing liquids or chemicals, as well as for performing reaction processes such as titration. Their unique shape and design make them suitable for mixing and swirling substances.
- Advantage: Made from plastic material that is durable, lightweight, and easy to handle. The flasks feature clear graduations for accurate volume measurement.
9.2Excellent
View offer on:
Show more
6
Karter Scientific250ml Narrow Mouth Erlenmeyer Flask with Rubber Stopper, 3.3 Borosilicate Glass, Karter Scientific (Single)
Main highlights- Rubber Stopper: Solid, Black
- Outside Diameter: 85mm 3.4" (approx.)
- Height: 148mm / 5.8" (approx.)
- Graduations: 25ml, 100ml to 250ml
- Capacity: 250ml / 8oz (approx.)
9.1Excellent
View offer on:
Show more
7
LABINVOLABINVO 250ML Glass Erlenmeyer Flask, Narrow Mouth Graduated Conical Flask with Marking Spot, 6pcs of 3.3 Borosilicate Glass Flask Set, IN-EFN250
Main highlights- 5.Standard Specification: ASTM Specification E960, Type I requirements
- 4.Outer Diameter：34mm of flask neck, 85mm of flask bottom
- 3.Tolerance: approximately +/- 5%
- 2.Height: 140mm
- 1.Capacity: 250ml,6pcs
8.9Very Good
View offer on:
Show more
8
OkulabOkulab Conical Flask Set, Glass Erlenmeyer Flask Set, Include Vol.50.150.250ml, Borosilicate Glass 3.3, with Printed Graduation.EFNGS3A1
Main highlights- Style: White enamel graduations and labeling field on the side of the flask, high durability, easy to read and mark, uniform wall thickness for heating evenly.
- Material: Made of 3.3 borosilicate glass which withstand repeated standard autoclave cycles of 121°C at 15 psi for 5 minutes, meet ASTM E960 (Standard Specification for Laboratory Glass Flask).
- Capacity: Vol.50.150.250ml, 1pc of each size
- Application: Widely used in kitchen, reaction vessel of chemistry research, teaching aid, solution preparation, like essential oil, perfume etc.
- After-service: The product made of glass, there is possibility of damage during transportation. If it is damaged, please contact us, you can make a request of refund or replacement, in a word, we will solve it until you are satisfied.
8.7Very Good
View offer on:
Show more
9
ULTECHNOVOULTECHNOVO Erlenmeyer Flask, Glass, 250 ml Narrow Mouth Conical Flasks with Ground Glass Stoppers, Graduated Borosilicate Glass Flask for School Lab Experiment
Main highlights- The wall thickness of heavy-duty glass is evenly distributed, no bubbles, no burrs, smooth and round, and has good sealing properties
- The glass flask is designed with silk-screened graduations, milled stopper and extra-large marking area. Standard capacity, clear scale, easy to identify and accurate measurement
- The glass flask conical is convenient for school laboratory students to use when doing experiments in chemistry classes
- The Erlenmeyer flask is made of glass material, which is , safe and . Water, acid and alkali resistant
- Laboratory flasks are widely used in educational, , research or life science
8.4Good
View offer on:
Show more
