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

At a Glance: Our Top Picks

Top 1

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

9.9
CPR Score
Top 2

Utile Glass Erlenmeyer Flask Set, 500ml Narrow Mouth Erlenmeyer Flasks, 6pcs ...

9.8
CPR Score
Top 3

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

9.6
CPR Score
Tips


Our team has selected the top 26 best Lab Flasks by analyzing and evaluating 306 products of different Lab & Scientific Products, Professional Medical Supplies brands, including Pyrex, QWORK, Karter Scientific, United Scientific, Young4us, ULAB, HUAOU 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: 11,946 Items
  • CPR Avg. Rating: 8.7 / 10
26 Products Evaluated
  • Highest Price: $35.97
  • Lowest Price: $8.93
  • Avg. Price: $18.10
Price Disclaimer

Top 26 Lab Flasks on Amazon (Verified You can Buy)

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 1,727 ❌ ❌ ❌

Features

Capacity: 1000ml
Graduations: 50ml, 250ml to 1000ml
Show More
Top 2

Utile Glass Erlenmeyer Flask Set, 500ml Narrow Mouth Erlenmeyer Flasks, 6pcs of Borosilicate 3.3 Glass Conical Flasks for Laboratory with Printed Graduation, 4016.0500.6

Utile
4016.0500.6

Ratings for Utile (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Utile Scientific - ❌ ❌ ❌

Features

500mL Capacity: 6pcs of 500ml 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.
Show More

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 1,727 ✅ ✅ ✅

Features

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

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

QWORK
WD7949

Ratings for QWORK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
QWORK 3,925 ❌ ❌ ❌

Features

MATERIAL DETAILS: Made of lightweight plastic suitable for educational and visual use
VISIBLE SCALE: Easy-to-read semi-transparent surface with standard measurement marks
Show More

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.
Show More

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 1,727 ✅ ✅ ✅

Features

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

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.
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 6,555 ❌ ❌ ❌

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.
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 3,925 ❌ ❌ ❌

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.
Show More
Top 10

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
Show More

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 1,727 ✅ ✅ ✅

Features

Capacity: 1000ml
Graduations: 200ml, 400ml to 1000ml
Show More

500ml Boiling Flask, 3.3 Boro. Glass, Flat Bottom, Karter Scientific 250B4 (Single)

Karter Scientific
250B4
3.9764 x 3.9764 x 6.7716 Inches

Ratings for Karter Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lake Charles Manufacturing 1,727 ❌ ❌ ❌

Features

Capacity: 500ml
Height: 172mm
Show More

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 3,925 ❌ ❌ ❌

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

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 3,925 ❌ ❌ ❌

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.
Show More

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
Top 16

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 - ❌ ❌ ❌
Lake Charles Manufacturing 1,727 ❌ ❌ ❌

Features

Capacity: 50ml
Graduations: 10ml, 20ml to 50ml
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 1,727 ✅ ✅ ✅

Features

Capacity: 1000ml
Graduations: 50ml, 250ml to 1000ml
Show More
Top 18

Okulab Conical Flasks Set, 500 mL Glass Erlenmeyer Flasks, Narrow Mouth, 3.3 Borosilicate Glass Conical Flask Set (case of 6) for Lab, Classroom, Craft, Kitchen, EFNG500A6

Okulab
EFNG500A6
7.4803 x 11.2205 x 8.0709 Inches

Ratings for Okulab (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Okulab - ❌ ❌ ❌

Features

Capacity: Vol.500ml, 6pcs per set
Size: 34mm(O.D of flask neck), 105mm (O.D of flask bottom)
Show More

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 1,727 ❌ ❌ ❌

Features

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

250ml Narrow Mouth Erlenmeyer Flask with Rubber Stopper, 3.3 Borosilicate Glass, Karter Scientific (Single)

Karter Scientific
213G28(RS)
3.4 x 3.4 x 5.8 inches

Ratings for Karter Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lake Charles Manufacturing 1,727 ❌ ❌ ❌

Features

Capacity: 250ml / 8oz (approx.)
Rubber Stopper: Solid, Black
Show More

QWORK Erlenmeyer Flask, 4 Pack 17oz / 500ml Narrow Neck with Screw Cap, Molded Scale, Autoclavable, White

QWORK
WD31544

Ratings for QWORK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
QWORK 3,925 ❌ ❌ ❌

Features

Material: Made of plastic materials in clear white body, safe to use.
Capacity: 17oz / 500ml, 4 pieces.
Show More
Top 22

Pyrex 250mL Narrow Mouth Erlenmeyer Flasks with Heavy Duty Rim, Ea

Pyrex
4980-250(flask)
5.0 x 4.0 x 4.0 Inches
0.3086 pounds

Ratings for Pyrex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lake Charles Manufacturing 1,727 ❌ ❌ ❌
Scientific Strategies - ❌ ❌ ❌

Features

Capacity is 250mL
Outer diameter is approx 82 mm
Show More
Top 23

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

ULAB
UEF1021

Ratings for ULAB (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Ulab Scientific - ❌ ❌ ❌

Features

Excellent chemical resistance
Transparent–contents and volume can be quickly checked
Show More
Top 24

HUAOU 3pcs Glass Erlenmeyer Flask Set, 50ml 150ml 250ml Laboratory Flask with Stopper, Lab Chemistry 3.3 Borosilicate, Narrow Mouth, Printed Graduation, Conical Flask with Cleaning Brush

HUAOU
HO-1122JS-50*150*250

Ratings for HUAOU (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Huaou Lab Glassware - ❌ ❌ ❌
Top 25

Okulab 4pcs Erlenmeyer Flask Set with Blue Cap, Glass Erlenmeyer Flasks, 250ml Lab Erlenmeyer Flasks, Borosilicate 3.3 Glass Material with Printed Graduation, EFG45G250A4

Okulab

Ratings for Okulab (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Okulab - ❌ ❌ ❌

Features

Capacity: 4Pcs 250ml lab glass Erlenmeyer flasks in total.
Industrial Strength:These flasks are made of 3.3 Borosilicate glass material, uniform wall thickness, autoclavable,chemically stable, and has strong corrosion resistance.
Show More
Top 26

Plastic Erlenmeyer Flask Set - 3 Sizes - 50, 250, and 500ml, Karter Scientific 230C9

Karter Scientific
230C9

Ratings for Karter Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lake Charles Manufacturing 1,727 ✅ ✅ ✅

Features

Material: Polypropylene (PP) Plastic
Heavy Duty Flared Rim
Show More

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

Top 10 Lab Flasks Brands on Amazon

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

  • Pyrex
  • Utile
  • Karter Scientific
  • QWORK
  • BOMEX
  • Young4us
  • Cole-Parmer
  • United Scientific
  • Corning
  • Okulab

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 32,912 4.8
🥈 QWORK 16,432 4.9
🥉 Qshave 10,241 4.9
4 Scientific Strategies 3,180 4.8
5 Young4us 1,518 4.8
6 Fpxnb 1,511 4.7
7 Ulab Scientific 748 4.8
8 Zxmissu 704 4.5
9 Amazon.com 386 4.7
10 Huaou Lab Glassware 238 4.8
View or download top Lab Flasks seller & rating report
Lake Charles Manufacturing [32912] QWORK [16432] Qshave [10241] Scientific Strategies [3180] Young4us [1518] Fpxnb [1511] Ulab Scientific [748] Zxmissu [704] Amazon.com [386] Huaou Lab Glassware [238] Lake Charles Manufacturing 48% QWORK 24% Qshave 15% Scientific Strategies 5% Young4us 2% Fpxnb 2% Ulab Scientific 1% Zxmissu 1% Amazon.com 1% Huaou Lab Glassware 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 October 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 $18.10, and the top brands are Pyrex, QWORK, Karter Scientific, United Scientific, Young4us, ULAB, HUAOU And Cole-Parmer. 

Then our expert-level editors reviewed all those quality items and selected the top 26 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, QWORK, Qshave, Scientific Strategies, Young4us, Fpxnb, Ulab Scientific, Zxmissu, Amazon.com And Huaou Lab Glassware. The PYREX 1L Narrow Mouth Erlenmeyer Flasks with He... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 325 consumers with an average rating of 4.7.

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.