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5 Best Lab Flasks - Black Friday 2025

Last Updated - 2025/11/30

1
Best Choice

✖
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.

stonylab

stonylab Glass Wide Mouth Erlenmeyer Flask, 1000 ml Borosilicate Glass Erlenmeyer Flask with Heavy Duty Rim, 1 Pack

stonylab

CA$35.95

More Details
Main highlights
- Wide mouth allows easy addition of solids, liquids, or use with large pipettes
- Warranty: stonylab 1-year limited warranty; if received damaged, please contact us immediately; we will solve it until satisfied
- Ideal for mixing, adding, and temporarily storing liquid reagents in chemistry experiments
- Constructed from high borosilicate 3.3 glass with excellent transparency, resistance to acids, alkalis, and high temperatures, ensuring long-term stability
- 1 Pack, 1000 ml capacity, heavy-duty, reusable, with clear graduations for easy liquid measurement
CA$35.95
2
Best Value
17% Off

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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
17% Off

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

Corning

CA$31.10

CA$37.64
(17% Off)

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
CA$31.10
CA$37.64 (17% Off)
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.

Rngeo

Rngeo 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

Rngeo

CA$21.99

More Details
Main highlights
- SIGNIFICANT FEATURES: Reusable, environmental friendly, will not shatter easily, easy to clean, high temperature resistance, for laboratory, chemistry, science experiment, liquid measuring, etc.
- PACKAGE & WORRY-FREE: Each set has 3 Erlenmeyer Flasks & 3 Rubber Stoppers. If you received defective items, please contact us via email for full refund or replacement. We would try our best to fix issues.
- HIGH-END MATERIAL FOR LAB: These Borosilicate Glass Erlenmeyer Flasks have High chemical durability and low thermal expansion, which can withstand the temperature under 800 ¡ãC (~1500 ¡ãF).
- 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.
- 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.
CA$21.99
4

✖
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 214U2

Karter Scientific

CA$21.92

More Details
Main highlights
- Heavy Duty Reusable
- Contains 1 each 50, 150 and 250ml Flask
- Class A & High quality inert 3.3 borosilicate glass
- ASTM Specification E960, Type I requirements
CA$21.92
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.

Labvida

Labvida 4pcs of Narrow Mouth Glass Erlenmeyer Flasks, Vol.250ml, 3.3 Borocilicate with Printed Graduation, LVC003

Labvida

CA$28.05

More Details
Main highlights
- Volume: 250ml (8.5oz)
- Tolerance: approximately +/- 5%
- Meet Standard Specification: ASTM Specification E960, Type I requirements
- Material: Made of high quality 3.3 Borosilicate glass, Uniform wall thickness
- Convenient to use: Printed graduation, Extra large marking spot
CA$28.05

5 Best Lab Flasks - Black Friday 2025

stonylab Glass Wide Mouth Erlenmeyer Flask, 1000 ml Borosilicate Glass Erlenmeyer Flask with Heavy Duty Rim, 1 Pack

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

Rngeo 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

Glass Erlenmeyer Flask Set - 3 Sizes - 50, 150 and 250ml, Karter Scientific 214U2

Labvida 4pcs of Narrow Mouth Glass Erlenmeyer Flasks, Vol.250ml, 3.3 Borocilicate with Printed Graduation, LVC003

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