Best Lab Flasks (March 2024) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

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

9.9
CPR Score
Top 2

Karter Scientific Glass Flask 5 Piece Set, Narrow Mouth Erlenmeyer, Borosilic...

9.8
CPR Score
Top 3

Corning Pyrex #4980-1L, 1000ml Narrow Mouth Erlenmeyer Flask with Rubber Stop...

9.7
CPR Score
Tips


Our team has selected the top 30 best Lab Flasks by analyzing and evaluating 793 products of different Lab & Scientific Products, Professional Medical Supplies brands, including Pyrex, QWORK, EISCO, Karter Scientific, Young4us, ULAB, United Scientific Supplies, Sscon, Modern Curiosity, Corning, Utile, JOANLAB, Maccx And Bomex, Still, Our editor rated and compared them on product features before you buy.

* Cherrypicksreviews.com 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: 11,750 Items
  • CPR Avg. Rating: 8.6 / 10
30 Products Evaluated
  • Highest Price: $99.00
  • Lowest Price: $5.98
  • Avg. Price: $20.46
Price Disclaimer

Top 30 Lab Flasks on Amazon (Verified You can Buy)

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

Karter Scientific
214U2
0.8157 Pounds

Ratings for Karter Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lake Charles Manufacturing -

Features

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

Karter Scientific Glass Flask 5 Piece Set, Narrow Mouth Erlenmeyer, Borosilicate 3.3 Glass - 50ml, 150ml, 250ml, 500ml, 1L, 213B2

Karter Scientific
213B2
2.55 Pounds

Ratings for Karter Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lake Charles Manufacturing -

Features

Contains 1 each 50, 150, 250, 500 & 1000ml 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
1.1684 Pounds

Ratings for Corning (CPR Score)

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

Features

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

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

Karter Scientific
213G29
0.5071 Pounds

Ratings for Karter Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lake Charles Manufacturing -

Features

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

1000mL Lab Vacuum Filtration Apparatus, Flask to Filter Solutions, Oils, E-Liquids, and More, 1000mL Filtering Flask and 300mL Graduated Funnel, Glass Suction Filtering Kit.

JOANLAB
1000

Ratings for JOANLAB (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fristaden & Company, LLC -

Features

PURE SOLUTIONS: The filtering lab flask can be used to separate components or impurities in your mixtures or solutions. The filtration apparatus is built to last with tough, heat resistant borosilicate glass designed to handle boiling liquids and strong vacuums.
FAST FILTERING ACTION: The filtering and distillation kit can be used with or without a vacuum. For faster, higher volume jobs, just hook up a vacuum hose to the filtering flask and quickly pull your solution through the funnel. A lab vacuum filtration apparatus allows you to filter oil and water soluble solutions without damaging or losing heat-sensitive compounds in a distillation. This filtering flask comes with a high quality rubber stopper and aluminum clamp that allow for strong vacuums.
Show More

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

Corning
4980-500(Flask-RS)

Ratings for Corning (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Scientific Strategies -

Features

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

12PK Erlenmeyer Flasks, 25mL - Borosilicate Glass - Narrow Neck Flasks, Conical Flasks, Glass Flasks - Eisco Labs

EISCO
FL0701
12.0 x 4.0 x 3.0 Inches
0.95 Pounds

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

Features

25mL CAPACITY || Pack of 12 Erlenmeyer Flasks, each with 25mL capacity and easy-to-read white enamel graduations every 12.5mL
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
Show More
Top 8

ULAB Scientific Narrow-Mouth Glass Erlenmeyer Flask Set, 3 Sizes 50ml 150ml 250ml, 3.3 Boro with Printed Graduation, UEF1001

ULAB

Ratings for ULAB (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Ulab Scientific -

Features

3 Sizes 50ml 100ml 250ml
High quality 3.3 Borosilicate glass, Uniform wall thickness
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 -

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

Glass Flask Erlenmeyer Flask Set Narrow Mouth 2000ml Graduated Flasks

Bomex
Flask

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

United Scientific™ FG5340-1000 Laboratory Grade Borosilicate Glass Heavy Wall Filtering Flask, Bolt Neck with Tubulation, 1000ml (1 Liter) Capacity

United Scientific Supplies
FG5340-1000

Ratings for United Scientific Supplies (CPR Score)

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

Features

Capacity: 1000mL (1L), Tubing size: 3/8"
Graduation Range: 400-1000mL, Graduation Intervals: 50mL
Show More

Premium Erlenmeyer Flask Set - 50ml, 150ml, 250ml, 500ml & 1000ml - Narrow Neck, White Graduations - Superior Durability & Chemical Resistance - Borosilicate 3.3 Glass - Eisco Labs

EISCO
CH196034
12.0 x 18.0 x 8.0 Inches

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

Features

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
Show More

Maccx 8.5oz(250ml) Narrow-Mouth Sturdy Glass Erlenmeyer Flask, 3.3 Borosilicate with Printed Graduation, Pack of 4, EFN250-004

Maccx
EFN250-004

Ratings for Maccx (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Maccx Scientific Co.,Ltd -

Features

4pcs of 8.5oz(250ml) glass Erlenmeyer flasks packed in box.
Made of 3.3 Borosilicate glass material.
Show More
Top 14

QWORK 250ml Single Neck Flat Bottom Boiling Flask with 24/40 Standard Joint, 2 Packs Heavy Wall Distillation Receiving Apparatus, Taper Outer Joint Lab Glassware

QWORK

Ratings for QWORK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
QWORK 1,053

Features

Package contains: 2 Pack 250ml Single Neck Flat bottomed flask.
Standard size: With 24/40 Standard Taper Outer Joint, capacity is 250ml.
Show More
Top 15

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 -

Features

Material: Polypropylene (PP) Plastic
Heavy Duty Flared Rim
Show More
Top 16

Plastic Erlenmeyer Flask Set with Screw Caps - 4 Sizes - 50, 100, 250, and 500ml, Polypropylene, Molded Graduations, Karter Scientific 252N9

Karter Scientific
252N9

Ratings for Karter Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lake Charles Manufacturing -

Features

50ml: 85 X 53mm
100ml: 102 X 65mm
Show More

Glass Erlenmeyer Flask Set - Graduated Borosilicate Glassware - Volumetric Narrow Neck Scientific Chemistry Labware & Equipment - Home & School Science Experiments (50mL, 4-Pack)

Modern Curiosity
IERL-003
5.0 x 4.5 x 4.0 Inches
0.47 pounds

Ratings for Modern Curiosity (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
E-Brands 814

Features

INSPIRE CURIOSITY: Whether you're teaching chemical reactions, metal reactivity, or mixing various substances; these Erlenmeyer Flasks are sure to suit your lab day needs. Choose the right size for your needs: 50mL, 150mL, 250mL, 500mL, 1000mL in 4-packs
CONICAL BODY, NARROW NECK: Also known as a conical flask or titration flask, these lab flasks feature a wide bases with flat bottom, tapered conical body, and cylindrical narrow neck
Show More

1000ml Narrow Mouth Erlenmeyer Flask, 3.3 Borosilicate Glass, Karter Scientific 213G22 (Single)

Karter Scientific
213G22
1.1023 Pounds

Ratings for Karter Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lake Charles Manufacturing -

Features

Capacity: 1000ml
Graduations: 200ml, 400ml to 1000ml
Show More
Top 19

150ml Narrow Mouth Erlenmeyer Flask, 3.3 Borosilicate Glass, Karter Scientific 213G27 (Single)

Karter Scientific
213G27
0.1543 Pounds

Ratings for Karter Scientific (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Lake Charles Manufacturing -

Features

Capacity: 150ml
Graduations: 25ml, 50ml to 150ml
Show More

Premium Volumetric Flask Set - 10ml, 25ml & 50ml - Class A, ASTM E288 - Superior Durability & Chemical Resistance - Glass Penny Stoppers - Borosilicate 3.3 Glass - Eisco Labs

EISCO
CH196041
6.5 x 7.5 x 3.0 Inches

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

Features

CLASS A, ASTM E288 || Class A Tolerance, as per ASTM E288 standards
3 PIECE SET || Set includes three Volumetric flasks. 10ml, 25ml & 50ml capacities. Each flask includes a glass penny stopper, and features a single, white graduation mark
Show More
Top 21

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 -

Features

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

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

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

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
Show More
Top 23

Utile Erlenmeyer Fasks, 6pcs of 250ml Conical Flask, Narrow Mouth, Borosilicate 3.3 Glass Flasks with Printed Graduation, 4016.0250.6

Utile
4016.0250.6

Ratings for Utile (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Utile Scientific -

Features

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.
Show More

ULAB Boiling Flask of Flat Bottom Set, 4pcs of Vol.250ml, Borosilicate 3.3 Glass Material, UBF1009

ULAB
UBF1009

Ratings for ULAB (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Ulab Scientific -

Features

4pcs of 250ml (8.45oz) Boiling Flasks
Flat Bottom and short neck, without graduation
Show More

Corning Pyrex #4980-250, 250ml Narrow Mouth Erlenmeyer Flask with Rubber Stopper (Single)

Corning
4980-250(Flask-RS)

Ratings for Corning (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Scientific Strategies -

Features

Capacity: 250ml
Graduation Interval: 25ml, up to 200ml
Show More

Erlenmeyer Flask, 100ml - Borosilicate Glass - with PTFE Screw Cap - Conical Shape - White Graduations - Eisco Labs

EISCO
CH0430C
2.5 x 2.5 x 4.1 Inches
0.15 Pounds

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

Features

The base diameter of the bottle is 2.2" and the overall height is 4.6". Please note: these are hand blown with the capacity in mind and overall dimensions can vary slightly.
Hand blown premium borosilicate 3.3 glass.
Show More
Top 27

Erlenmeyer Flask, 500mL - Borosilicate Glass - Narrow Neck Flasks, Conical Flasks, Glass Flasks - Eisco Labs

EISCO
CH0424G
7.0 x 4.0 x 4.0 Inches
0.35 Pounds

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hBARSCI 4,156

Features

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
Show More

ULAB Boiling Flask of Flat Bottom Set, 2 Sizes 250ml 500ml, Borosilicate 3.3 Glass Material, UBF1007

ULAB
UBF1007

Ratings for ULAB (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Ulab Scientific -

Features

Each 1pc of 250ml (8.45oz) and 500ml (17oz) Boiling Flasks
Flat Bottom and short neck, without graduation
Show More

Sscon 2Pcs 100ml Plastic Lab Volumetric Measuring Flasks with Snap Caps

Sscon
C190430065

Ratings for Sscon (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Sscon -

Features

The flask is vase shaped and made of plastic, not easy to break,which can be used for long time.
The flask's mouth is furnished with a plastic stopper, reduce volatilization and reduce leakage.
Show More

PYREX Narrow Mouth Erlenmeyer Flask with Heavy Duty Rim - Borosilicate Glass Flask – Premium Glass Chemistry Flask for Laboratory, Classroom or Home Use - PYREX Chemistry Glassware, 1L, 1/Pk

Pyrex
A4980-1L

Ratings for Pyrex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
PYREX Glass - Labware -

Features

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.
Show More

Top 10 Lab Flasks - Verified to Buy (Mar. 2024)

Top 10 Lab Flasks Brands on Amazon

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

  • Karter Scientific
  • Corning
  • JOANLAB
  • EISCO
  • ULAB
  • Young4us
  • Bomex
  • United Scientific Supplies
  • Maccx
  • QWORK

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
🥇 E-Brands 3,632 4.8
🥈 QWORK 3,077 4.9
🥉 hBARSCI 1,193 4.8
4 Lake Charles Manufacturing 560 4.9
5 Amazon.com 385 4.7
6 Fpxnb 176 4.8
7 Young4us 167 4.8
8 Reeyo 88 4.8
9 Ulab Scientific 50 4.8
10 Scientific Strategies 49 4.8
View or download top Lab Flasks seller & rating report
E-Brands [3632] QWORK [3077] hBARSCI [1193] Lake Charles Manufacturing [560] Amazon.com [385] Fpxnb [176] Young4us [167] Reeyo [88] Ulab Scientific [50] Scientific Strategies [49] E-Brands 39% QWORK 33% hBARSCI 13% Lake Charles Manufacturing 6% Amazon.com 4% Fpxnb 2% Young4us 2% Reeyo 1% Ulab Scientific 1% Scientific Strategies 1%

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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 March 2024?

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 793 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 $20.46, and the top brands are Pyrex, QWORK, EISCO, Karter Scientific, Young4us, ULAB, United Scientific Supplies, Sscon, Modern Curiosity, Corning, Utile, JOANLAB, Maccx And Bomex. 

Then our expert-level editors reviewed all those quality items and selected the top 30 Lab Flasks for you, We have researched hundreds of sellers and picked the top sellers for Lab & Scientific Products, Professional Medical Supplies, including E-Brands, QWORK, hBARSCI, Lake Charles Manufacturing, Amazon.com, Fpxnb, Young4us, Ulab Scientific, Scientific Strategies, Sscon, Maccx Scientific Co.,Ltd And PYREX Glass - Labware. The Glass Erlenmeyer Flask Set - 3 Sizes - 50, 150 ... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 3,520 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.