Best Lab Flasks (Sep. 2026) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

QWORK Glass 500ml Single Neck Flat Bottom Boiling Flask, with 24/40 Standard ...

9.9
CPR Score
Top 2

Young4us Glass Erlenmeyer Flask Set, (250 ml, 150 ml & 50 ml) Graduated Boros...

9.7
CPR Score
Top 3

Glass Flask Erlenmeyer Flask Set Narrow Mouth 2000ml Graduated Flasks

9.7
CPR Score
Tips


Our team has selected the top 23 best Lab Flasks by analyzing and evaluating 306 products of different Lab & Scientific Products, Professional Medical Supplies brands, including Pyrex, QWORK, Karter Scientific, EISCO, United Scientific, Fabbay, Young4us And Cole-Parmer, Still, Our editor rated and compared them on product features before you buy.

* CherryPicks.Reviews is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Lab Flasks Rated by CherryPicks

Market Overview
Lab Flasks Reviewed
  • Reviews Analyzed: 10,885 Items
  • CPR Avg. Rating: 8.8 / 10
23 Products Evaluated
  • Highest Price: $35.97
  • Lowest Price: $9.49
  • Avg. Price: $19.81
Price Disclaimer

Top 23 Lab Flasks on Amazon (Verified You can Buy)

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

QWORK
WD7079

Ratings for QWORK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
QWORK 3,988

Features

Standard size: With 24/40 standard taper outer joint, 1000ml capacity.
Flat-bottomed flask: The flask can stand upright on a flat surface by itself, rather than on a flask holder or cork holder. Can be connected to laboratory glassware, with standard tape joints.
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Young4us 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

Young4us
XD-ZK-SP

Ratings for Young4us (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fpxnb -
Young4us -
Zxmissu -

Features

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.
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Glass Flask Erlenmeyer Flask Set Narrow Mouth 2000ml Graduated Flasks

BOMEX
Flask
6.5748 x 6.5748 x 11.0236 inches

Ratings for BOMEX (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Reeyo -

Features

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.
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QWORK Glass 100ml Single Neck Flat Bottom Boiling Flask, with 24/40 Standard Joint, 2 Pack Heavy Wall Distillation Receiving Apparatus, Taper Outer Joint Lab Glassware, 100mL

QWORK
WD7078

Ratings for QWORK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
QWORK 3,988

Features

Standard size: With 24/40 standard taper outer joint, 1000ml capacity.
Flat-bottomed flask: The flask can stand upright on a flat surface by itself, rather than on a flask holder or cork holder. Can be connected to laboratory glassware, with standard tape joints.
Show More

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

Fabbay
2.39 pounds

Ratings for Fabbay (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Kezhimer -

Features

Package Includes: you will get 7 glass erlenmeyer flasks and 2 glass stirring rods, the erlenmeyer flasks have 7 different capacity, 50ml, 100ml, 150ml, 200ml, 250ml, 300ml, 500ml, easy to measure and use different volumes of liquid, the stirring rod can also make better convenience for experiments
Quality Material: the lab erlenmeyer flasks are well designed with quality borosilicate glass with uniform wall thickness, they are heavy duty, reusable and not easy to break
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Cole-Parmer Erlenmeyer Flask, Glass, 2000 mL; 1/PK

Cole-Parmer
AO-34502-63
6.5 x 6.5 x 11.0 inches
1.0 Pounds

Ratings for Cole-Parmer (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Autoclavable: yes
Material: borosilicate glass
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Premium Volumetric Flask Set - 50ml, 100ml & 250ml - Class A, ASTM E288 - Superior Durability & Chemical Resistance - Glass Penny Stoppers - Borosilicate 3.3 Glass - Eisco Labs

EISCO
CH196042
8.75 x 10.75 x 4.25 inches

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
The Lab Stockroom 3,738

Features

CLASS A, ASTM E288 || Class A Tolerance, as per ASTM E288 standards
3 PIECE SET || Set includes three Volumetric flasks. 50ml, 100ml & 250ml capacities. Each flask includes a glass penny stopper, and features a single, white graduation mark
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12PK Erlenmeyer Flasks, 100mL - Borosilicate Glass - Narrow Neck Flasks, Conical Flasks, Glass Flasks - Eisco Labs

EISCO
FL0703
18.0 x 7.0 x 5.0 inches
0.2 pounds

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
The Lab Stockroom 3,738

Features

100mL CAPACITY || Pack of 12 Erlenmeyer Flasks, each with 100mL capacity and easy-to-read white enamel graduations every 25mL
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
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1000ml Narrow Mouth Erlenmeyer Flask, 3.3 Borosilicate Glass, Karter Scientific 213G22 (Single)

Karter Scientific
213G22
5.0787 x 5.0787 x 8.9764 inches
1.1023 Pounds

Ratings for Karter Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lake Charles Manufacturing 1,725

Features

Capacity: 1000ml
Graduations: 200ml, 400ml to 1000ml
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ALWSCI 10 ML Volumetric Measuring Flask Set NS10/13 Glass Stopper, Graduated, ASTM Class A Borosilicate Glass 3.3 for Laboratory, 2 PCS

ALWSCI

Ratings for ALWSCI (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ALWSCI -

Features

Volumetric Flask : It is a cylindrical-shaped container with a narrow neck and designed to hold a specific volume of liquid and is calibrated to deliver an exact volume when filled to a certain mark
Accuracy Class A : Class A flasks are used for analytical chemistry work, Its tolerance, temperature, precision, and volume will be indicated on the glassware. Volumetric flasks with a batch number and accuracy Class A are supplied with a batch certificate. This certificate documents the mean value obtained from measuring the batch in question, the standard deviation and the day of issue
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Glass Erlenmeyer Flask Set - 3 Sizes - 50, 150 and 250ml, Karter Scientific

Karter Scientific
214U2

Ratings for Karter Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lake Charles Manufacturing 1,725

Features

Contains 1 each 50, 150 and 250ml Flask
High quality inert 3.3 borosilicate glass
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QWORK Borosilicate 3.3 Glass Erlenmeyer Flask Set (50, 100 and 250ml), 3 x Graduated Conical Flask with Glass Stopper for Lab, Experiment, Chemistry

QWORK
WD5277
0.8285 Pounds

Ratings for QWORK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
QWORK 3,988

Features

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.
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500ml Narrow Mouth Erlenmeyer Flask, 3.3 Borosilicate Glass, Karter Scientific 213G29 (Single)

Karter Scientific
213G29
4.2 x 4.2 x 7.3 inches
0.5071 pounds

Ratings for Karter Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lake Charles Manufacturing 1,725

Features

Capacity: 500ml / 16oz. (approx.)
Graduations: 50ml, 200ml to 500ml
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Top 14

Eisco Autoclavable Erlenmeyer Flask with Screw Cap, Borosilicate, 250ml

EISCO
CH0430D
3.3 x 3.3 x 5.7 Inches
0.25 pounds

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
The Lab Stockroom 3,738

Features

The base diameter of the bottle is 2.75" and the overall height is 5". Please note: these are hand blown with the capacity in mind and overall dimensions can vary slightly.
Hand blown premium borosilicate 3.3 glass.
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Glass Narrow Mouth Erlenmeyer Flask Set (FGSET3) - 3 Sizes - 50, 150 and 250ml, United Scientific

United Scientific
FGSET3

Ratings for United Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Contains 1 each 50, 150 and 250ml Narrow Mouth Erlemeyer Flask
High quality inert 3.3 borosilicate glass
Show More

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

Corning
4980-1L(Flask-RS)
4.7244 x 2.3622 x 0.5 Inches

Ratings for Corning (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Scientific Strategies -
Lake Charles Manufacturing 1,725

Features

Capacity: 1000ml
Graduations: 50ml, 250ml to 1000ml
Show More

QWORK Borosilicate Glass 500ml Buchner Filtering Funnel and 1000 mL Erlenmeyer Flask, with Standard 24/40 Joint

QWORK
QS15068
1.9555 pounds

Ratings for QWORK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Qshave 6,890

Features

Durable Material: Made of borosilicate glass, high quality material and perfect craftsmanship, high and low temperature resistance, chemical resistance.
Capacity: 500ml and1000ml, making it an ideal choice for storing large amounts of liquid.
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QWORK 1000 mL Borosilicate Glass Erlenmeyer Flask, 2 Pack Thick Wall Flask with 24/40 Outer Joint

QWORK
WD8833

Ratings for QWORK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
QWORK 3,988

Features

Capacity: 1000ml. 2 Pcs erlenmeyer flasks.
Glass: Made of borosilicate glass, high quality material and perfect craftsmanship, high and low temperature resistance, chemical resistance.
Show More
Top 19

PYREX 50mL Narrow Mouth Erlenmeyer Flasks with Heavy Duty Rim, Ea

Pyrex
4980-50(Flask)
3.5 x 2.0 x 2.0 inches
0.1102 pounds

Ratings for Pyrex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Scientific Strategies -

Features

Capacity: 50ml
Graduations: 10ml, 20ml to 50ml
Show More

QWORK Erlenmeyer Flask Set, 2 Pcs 1000ML Borosilicate Glass Conical Flasks with Narrow Mouth, Printed Scale, for Lab, Classroom, Kitchen, Craft, Home

QWORK
WD30753

Ratings for QWORK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
QWORK 3,988

Features

Material: Made of 3.3 Borosilicate Glass material, heat resistant, acid and alkali resistant, safe to use.
Capacity: 1000 ml, 2 Pieces, detailed size information shown as picture.
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Corning Pyrex #4980-500, 500ml Erlenmeyer Flask with Rubber Stopper (Single)

Corning
4980-500(Flask-RS)
3.98 x 3.98 x 6.93 Inches

Ratings for Corning (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Scientific Strategies -
Lake Charles Manufacturing 1,725

Features

Capacity: 500ml
Graduations: 50ml, 100ml to 500ml
Show More

QWORK Erlenmeyer Flask Set, 2 Pcs 500ML Borosilicate Glass Conical Flasks with Narrow Mouth, Printed Scale, for Lab, Classroom, Kitchen, Craft, Home

QWORK
WD30752

Ratings for QWORK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
QWORK 3,988

Features

High Quality: Made of premium 3.3 Borosilicate Glass material, heat resistant, acid and alkali resistant, durable to use.
Capacity: 500 ml (17 Oz), 2 Pieces, detailed size information shown as picture.
Show More

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

Pyrex
FBA_4980-1LCNEa
9.0 x 5.0 x 5.0 inches
2.0 pounds

Ratings for Pyrex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Scientific Strategies -
Lake Charles Manufacturing 1,725

Features

Capacity: 1000ml
Graduations: 50ml, 250ml to 1000ml
Show More

Top 10 Lab Flasks - Verified to Buy (September 2026)

Top 10 Lab Flasks Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • QWORK
  • Young4us
  • BOMEX
  • Fabbay
  • Cole-Parmer
  • EISCO
  • Karter Scientific
  • ALWSCI
  • United Scientific
  • Corning

Top 10 Lab Flasks Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 Lake Charles Manufacturing 32,906 4.8
🥈 The Lab Stockroom 17,064 4.8
🥉 QWORK 16,302 4.9
4 Qshave 9,994 4.9
5 Scientific Strategies 3,178 4.8
6 Young4us 1,517 4.8
7 Fpxnb 1,507 4.7
8 Zxmissu 702 4.5
9 Amazon.com 386 4.7
10 ALWSCI 111 4.7
View or download top Lab Flasks seller & rating report
Lake Charles Manufacturing [32906] The Lab Stockroom [17064] QWORK [16302] Qshave [9994] Scientific Strategies [3178] Young4us [1517] Fpxnb [1507] Zxmissu [702] Amazon.com [386] ALWSCI [111] Lake Charles Manufacturing 39% The Lab Stockroom 20% QWORK 19% Qshave 12% Scientific Strategies 4% Young4us 2% Fpxnb 2% Zxmissu 1% Amazon.com 0% ALWSCI 0%

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Why Should You Trust Us?

Now hundreds and thousands of Lab & Scientific Products, Professional Medical Supplies supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Lab Flasks to buy for new September 2026?

CherryPicks’s Methodology for Evaluating Lab Flasks

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Lab & Scientific Products, Professional Medical Supplies items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 306 of Lab Flasks reviews based on our selection criteria. It helped us shortlist the top qualified and rated Lab Flasks for Lab & Scientific Products, Professional Medical Supplies, We found that most customers choose Lab Flasks with an average price of $19.81, and the top brands are Pyrex, QWORK, Karter Scientific, EISCO, United Scientific, Fabbay, Young4us And Cole-Parmer

Then our expert-level editors reviewed all those quality items and selected the top 23 Lab Flasks for you, We have researched hundreds of sellers and picked the top sellers for Lab & Scientific Products, Professional Medical Supplies, including Lake Charles Manufacturing, The Lab Stockroom, QWORK, Qshave, Scientific Strategies, Young4us, Fpxnb, Zxmissu, Amazon.com And ALWSCI. The QWORK Glass 500ml Single Neck Flat Bottom Boili... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 156 consumers with an average rating of 4.4.

We've helped a lot of satisfied users get the right Industrial & Scientific product based on their needs, and save lots of time for them to pick Lab Flasks to buy.


Written By Brandi W. Cortright

Brandi is a woman in tech who loves to write about the electronics and gadgets she has used. On this site, she would be providing you unbiased reviews of electronics as they are released into the market to make you know what to expect before making a purchase.