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After exploring an insanely huge number of articles and reviews by our smart AI & ML systems; and comprehensive processing, analysis and infiltration by our professional high-tech gurus, the golden shortlist for the Best Lab Flasks (2021) is finally drafted.

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In order to find the Best Lab Flasks (2021), our smart platforms and gurus have taken many factors into account such as product usability, features that meet consumers needs and give buyer satisfaction, defect-free, standards conformance, quality/price ratio, reliability, design quality, quality conformance to needs and good practises, safety, actual buyer satisfaction and lots of others. It is worth to note that each user has different requirements so please use the list below as a guideline and not as a gospel. Nonetheless, in the benchmarking below you can undoubtedly find the overall best ones despite your requirements.

Our brilliant platforms and experienced high-tech gurus work hard to provide you with the best product choices. We are positive that our review evaluation can help you simplify your purchase decision and choose among the truly Best Lab Flasks (2021).

Best Lab Flasks

SaleBest Choice No. 1
Karter Scientific Glass Flask 5 Piece Set, Narrow Mouth Erlenmeyer, Borosilicate 3.3 Glass – 50ml, 150ml, 250ml, 500ml, 1L, 213B2
  • Contains 1 each 50, 150, 250, 500 & 1000ml Flask
  • High quality inert 3.3 borosilicate glass
  • Height of each as follows:, 50ml = approx. 85mm, 150ml = approx. 120mm, 250ml = approx. 140mm ,500ml = approx. 175mm , 1000ml = approx. 220mm
  • ASTM Specification E960, Type I requirements
  • 121C/250F conducted in a slow and careful manner to avoid breakage. Heavy Duty Reusable.
Best Choice No. 2
Labvida 4pcs of Narrow Mouth Glass Erlenmeyer Flasks, Vol.50ml, 3.3 Borocilicate with Printed Graduation, LVC001
  • Volume: 50ml (1.7oz)
  • Material: Made of high quality 3.3 Borosilicate glass, Uniform wall thickness
  • Convenient to use: Printed graduation, Extra large marking spot
  • Tolerance: approximately +/- 5%
  • Meet Standard Specification: ASTM Specification E960, Type I requirements
Best Choice No. 3
Glass Erlenmeyer Flask Set – 3 Sizes – 50, 150 and 250ml, Karter Scientific
  • Contains 1 each 50, 150 and 250ml Flask
  • High quality inert 3.3 borosilicate glass
  • Heavy Duty Reusable
  • ASTM Specification E960, Type I requirements
  • ID/OD: 50ml: 24.5/30.5mm, 150ml: 32/37mm, 250ml: 32/37.5mm.
Best Choice No. 4
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
  • 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.
  • SIGNIFICANT FEATURES: Reusable, environmental friendly, will not shatter easily, easy to clean, high temperature resistance, for laboratory, chemistry, science experiment, liquid measuring, etc.
  • 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 °C (~1500 °F).
  • 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.
Best Choice No. 5
ULAB Scientific Glass Erlenmeyer Flask Set, 5 Sizes 50ml 150ml 250ml 500ml 1000ml, 3.3 Boro with Printed Graduation, UEF1002
  • 5 Sizes 50ml 150ml 250ml 500ml 1000ml
  • High quality 3.3 Borosilicate glass, Uniform wall thickness
  • Extra large marking spot
  • Tolerance is approximately +/- 5%
  • ASTM Specification E960, Type I requirements
Best Choice No. 6
TN Lab Volumetric Glass Flask 4-Piece Set 50-100-250-500ml
  • Volumetric Flask Set of 4-Flasks
  • 50ml – 100ml – 250ml – 500ml
  • Borosilicate Glass
  • Each have Matching Polypropylene Stopper
  • The Most Popular Size Volumetric Flasks
Best Choice No. 7
6 Pack Moonetto 1000ml Narrow Mouth Pyrex Graduated Lab Erlenmeyer Glass Flask with Blue Screw Cap
  • Capacity of Each Erlenmeyer Flask: 1000 mL, permanent white enamel graduations from 400 mL to 900 mL, accurate scales
  • Borosilicate Pyrex Glass: thick, tough, high quality, low coefficients of thermal expansion, resistant to thermal shock, high chemical resistance in corrosive enviroments
  • Autoclavable: Bottle up to 120℃, reusable, enviromental friendly, transparent, easy labeling
  • GL45 Screw Cap: Blue GL45 screw cap, tight seal, drip-free, narrow mouth flask, cap up to 140℃
  • Glass erlenmeyer flask fits for storage of media, biologicals and other liquid solutions for lab, experiment, chemistry, scientific studies and storage at home
Best Choice No. 8
ULAB Scientific Narrow-Mouth Glass Erlenmeyer Flask Set, 3 Sizes 50ml 150ml 250ml, 3.3 Boro with Printed Graduation, UEF1001
  • 3 Sizes 50ml 100ml 250ml
  • High quality 3.3 Borosilicate glass, Uniform wall thickness
  • Extra large marking spot
  • Tolerance is approximately +/- 5%
  • ASTM Specification E960, Type I requirements
Best Choice No. 9
Modern Chemistry Laboratory Stands Set 600MM Lab Flask Support Set Lab Support Flask Clamp Clips
  • ⊙Material: iron Size :135*210*600mm
  • ⊙Color:Silver+Black
  • ⊙Easy to use and install
  • ⊙ Mainly Used For Physics & Chemistry Experiments, Like: Filtration, Heating, Titration.
  • ⊙Portable To Carry,and Can Put Beakers, Flask , Perfect For Research Or Teaching Tasks
Best Choice No. 10
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 | 1 Year Warranty
  • 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. The glass is packaged tightly and thoroughly inspected to guarantee you receive an unblemished product.
  • LAB QUALITY, MANY USES: Use the 1000mL filtering flask for chemistry experiments in the lab or school; to make e-juice, distilling, concentrate and oils; to filter essential oils and plant extracts; to make soap; and more!
  • 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.
  • EASY TO USE: The kit can be set up in minutes and is easy to disassemble, clean and store. The 1000mL filtering flask can handle larger jobs. The 300mL graduate funnel allows for easy measurement, unlike most Buchner funnel apparatuses. Best used with 50mm, 10μm membrane filter paper.
  • AMERICAN COMPANY: Sold by Fristaden Lab, an American lab equipment company. We back the filtration apparatus with a 1 Year Warranty. If you have any problems with or questions about the distillation apparatus our customer service knows this product well and is ready to help you.

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