Advertising Disclosure

Best lab flasks - July 2026

Last Updated - July 22, 2026

1
Best Choice
17% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

JOLABEAR
17% Off

JOLABEAR 2000ml Erlenmeyer Flask 3.3 Borosilicate Glass Flasks Narrow Mouth Conical Flask for Chemistry Science Projects School Home Brewing Yeast Starter, Secure EPE Foam Packaging

JOLABEAR

(17% Off)

More Details
Main highlights
- Reinforced Stable Flat Bottom: Wide reinforced flat bottom provides exceptional stability, preventing accidental spills of valuable large-volume contents in professional settings.
- Large-Volume Optimized Design: Engineered for culture media prep, large sample storage and commercial brewing; narrow neck ensures secure sealing and controlled pouring.
- Extra-Thick 3.3 Borosilicate Glass: Crafted from premium thickened 3.3 borosilicate glass, offering excellent thermal shock resistance and mechanical durability for heavy-duty large-volume liquid handling.
- EPE Foam Armor Packaging: Individually wrapped in shock-absorbent EPE foam to fully protect the heavy flask during shipping, eliminating breakage concerns for online buyers.
- Bold White 400ml Interval Scale: Clear white enamel graduation with 400ml intervals enables easy long-distance reading, ideal for accurate large-batch mixing and industrial measurements.
(17% Off)
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Karter Scientific

Glass Erlenmeyer Flask Set - 3 Sizes - 50, 150 and 250ml, Karter Scientific

Karter Scientific

More Details
Main highlights
- ID/OD: 50ml: 24.5/30.5mm, 150ml: 32/37mm, 250ml: 32/37.5mm.
- High quality inert 3.3 borosilicate glass
- Contains 1 each 50, 150 and 250ml Flask
- ASTM Specification E960, Type I requirements
- (US Quarter for scale) **NOT INCLUDED**
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Corning

Corning Pyrex #4980-1L, 1000ml Narrow Mouth Erlenmeyer Flask with Rubber Stopper (Single)

Corning

More Details
Main highlights
- Packaged in a heavy duty,custom cut, double-wall, BC Flute corrugated box. Package Dimensions, 8.9x5.55x6 inches
- O.D. x Height(mm): 129 x 216
- Heavy Duty Rim
- Graduations: 50ml, 250ml to 1000ml
- Capacity: 1000ml
4
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

BOMEX

Bomex 2000ml Narrow Mouth Graduated Erlenmeyer Flasks 1 Pack

BOMEX

More Details
Main highlights
- Neck Style: Narrow mouth. Conducted in a slow and careful manner to avoid breakage. Heavy Duty Reusable.
- 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.
- Clear Scale: Erlenmeyer Flasks have clear and accurate scales for you to measure liquid efficiently.
- 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.
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Cole-Parmer

Cole-Parmer Laboratory Grade Glass Erlenmeyer Flask, 2000 mL

Cole-Parmer

More Details
Main highlights
- WIDE TEMPERATURE RANGE - Able to withstand temperatures from -50 to 550ºc, this borosilicate Erlenmeyer flask is suitable for a variety of temperature-sensitive experiments. Experience reliable performance even in extreme conditions.
- VERSATILE & DURABLE - Made of durable borosilicate glass, this flask can handle a wide range of applications. Its heavy-duty rim and narrow-mouth opening ensure precision handling for your experiments.
- PRECISE GRADUATED TOLERANCES - Our lab flask offers graduated tolerances to 0.05, providing precise measurement capabilities. Achieve accurate results and eliminate errors in your experiments.
- EASY-TO-READ GRADUATIONS - This glass flask features easy-to-read graduations, allowing you to measure liquids accurately with ease. Say goodbye to guesswork and ensure precise measurements every time.
- CONVENIENT AUTOCLAVABLE DESIGN - This chemistry flask is autoclavable, making it easy to sterilize and reuse. Enjoy the convenience of a lab Erlenmeyer flask that is both safe to use and easy to clean, and ensure proper hygiene in your laboratory.

Best lab flasks - July 2026

JOLABEAR 2000ml Erlenmeyer Flask 3.3 Borosilicate Glass Flasks Narrow Mouth Conical Flask for Chemistry Science Projects School Home Brewing Yeast Starter, Secure EPE Foam Packaging

Glass Erlenmeyer Flask Set - 3 Sizes - 50, 150 and 250ml, Karter Scientific

Corning Pyrex #4980-1L, 1000ml Narrow Mouth Erlenmeyer Flask with Rubber Stopper (Single)

Bomex 2000ml Narrow Mouth Graduated Erlenmeyer Flasks 1 Pack

Cole-Parmer Laboratory Grade Glass Erlenmeyer Flask, 2000 mL

You may also like...

QWORK Plastic Conical Flask Set 50ml 100ml 500ml – Semi-Transparent Lab Flask for Teaching, Demonstration & Display

Erlenmeyer Flask, 500ml, Karter Scientific 213G29 (Single)

Glass Narrow Mouth Erlenmeyer Flask Set (FGSET3) - 3 Sizes - 50, 150 and 250ml, United Scientific

QWORK Glass 500ml Single Neck Flat Bottom Boiling Flask, with 24/40 Standard Joint, 2 Pack Heavy Wall Distillation Receiving Apparatus, Taper Outer Joint Lab Glassware, 500mL

Corning Pyrex #4980-500, 500ml Erlenmeyer Flask with Rubber Stopper (Single)

ULAB Scientific Erlenmeyer Flasks with Blue Screw Cap, 34oz 1000ml, 3.3 Borosilicate with Printed Graduation, Pack of 2, UEF1021

Pyrex 1L Narrow Mouth Erlenmeyer Flasks with Heavy Duty Rim, Ea

9 Pack Glass Erlenmeyer Flask Set with Glass Stirring Rod, 7 Sizes, 50ml, 100ml, 150ml, 200ml, 250ml, 300ml, 500ml, Narrow Mouth Borosilicate Erlenmeyer Flask with Printed Graduation for Lab Chemistry

EISCO Erlenmeyer Flask, 250ml - Borosilicate Glass - with PTFE Screw Cap - Conical Shape - White Graduations

1000ml, Erlenmeyer Flask, Karter Scientific 213G22 (Single)

Sign up and get exclusive special deals