10 Best Lab Filtering Flasks
#1 Best Pick
POPETPOP Glass Erlenmeyer Flask Conical Flask with Stopper : 1000ml Graduated Laboratory Glassware Wide Mouth Conical Beaker Glass Flask for Lab Science Studies
Brand: POPETPOP
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- Sturdy Glass Construction: Our Glass Erlenmeyer Flask is crafted from high-quality glass, ensuring sturdiness and reliability for all your laboratory needs. This sturdy material has no peculiar odor, making it safe for various chemical experiments. Trust in its quality for consistent results in your scientific endeavors.
- Precise Liquid Measurement: Featuring accurate graduations on the surface, this laboratory glassware allows for efficient and precise liquid measurement. Whether you're conducting experiments or preparing solutions, you can count on our flask for reliable volume readings, enhancing the accuracy of your work.
- Smooth and Safe Design: Designed with user safety in mind, our borosilicate conical flask is free from bubbles and burrs, providing a smooth and round finish. This careful construction ensures that handling the flask is comfortable and safe, preventing any risk of injury during use.
- Spill-Resistant Convenience: With dimensions of 24.00 x 13.00 x 5.00 cm, our conical flask is easy to store and transport. The included lid effectively prevents spills, allowing you to carry liquids without fear of splashing. Enjoy the convenience of secure storage while maintaining the integrity of your samples.
- Versatile Laboratory Use: Our large conical flask with Lid is perfect for a wide range of applications, including laboratory experiments, chemistry projects, and liquid measurements. Whether you're a student, researcher, or professional, this flask is an essential tool for any scientific setting, making it a valuable addition to your equipment collection.
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#2 Best Value
POPETPOP 1000ml Beaker Lab Flask with Lid - Glass Laboratory Apparatus, Flat Bottom Conical Flask for Student Use - Triangle Shot Glass
Brand: POPETPOP
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- Practical and Safe Design: Our Glass Triangular Flask features a secure cork stopper, enhancing safety and practicality during heating processes. This thoughtful design prevents spills and ensures secure containment of liquids, making it an essential tool for chemistry lab or an educational setting
- Accurate Measurements for Precision: Equipped with clearly marked scales, this triangular flask allows for precise measurement of liquids, ensuring accuracy in your experiments. The standard capacity is easy to read, allowing for quick identification of volume levels immediately. Whether conducting titrations or preparing methods, this feature enhances your workflow and ensures reliable results, making it a must-have for chemists and students
- Sturdy Craftsmanship: Made from well-made borosilicate, our triangular flask is designed to withstand high temperatures. It is without from bubbles and burrs, providing a smooth and rounded finish that enhances durability. This excellent product ensures that your equipment remains reliable for all your experimental needs, whether in a professional lab or an academic environment
- Ideal for Educational Use: Designed with students, this flask is great for school laboratories and chemistry classes. Its user-friendly features make it easier for students to conduct experiments, fostering a hands-on learning experience. With its robust construction, it can handle the rigors of daily use, making it an irreplaceable resource for educators looking to inspire future scientists
- Great Choice: Made from well-made borosilicate glass, our triangular flask is not only sturdy and odorless but also a sustainable choice for your laboratory. Ideal for providing tranquility when working with volatile substances
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#3 Budget Pick
Laboratory Vacuum Filtration Apparatus, Vacuum Filter Flask Set, Bolt Neck with Tubulation, 1000ml Filter Bottle and 300ml Funnel, for Solutions, Oils, Liquids
Brand: Generic
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- ăEfficient Vacuum Filtration SystemăThis laboratory vacuum filtration apparatus enables rapid liquid processing with dual-mode operation: Use vacuum connection for high-speed filtration of large volumes (compatible with diaphragm pumps), or perform gravity-fed filtration without vacuum for versatile experimental setups.
- ăHigh-Capacity Borosilicate Glass DesignăCrafted from premium 3.3 borosilicate glass, the 1000ml filter flask and 300ml graduated funnel withstand thermal shocks (-30°C to 300°C) and 0.098MPa vacuum pressure. Ideal for filtering oils, chemical solutions, and viscous laboratory liquids.
- ăPrecision Measurement & CompatibilityăFeatures a 300ml funnel with clear graduation marks (50ml increments) and optimized 47-50mm filter paper compatibility. The bolt-neck flask design ensures secure membrane placement during vacuum-assisted filtration processes.
- ăQuick Setup & Versatile OperationăPre-assembled kit includes aluminum clamp for stable Buchner funnel alignment, 1.2m reinforced rubber tubing, and tubulation-ready flask. Autoclavable components allow easy sterilization between experiments.
- ăProfessional-Grade Filtration SolutionăEssential for pharmaceutical labs, industrial R&D, and educational institutions. Effectively separates particulates from aqueous solutions, organic solvents, and non-corrosive oils through controlled vacuum filtration cycles.
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#4 Top Choice
StonyLab 50ml Borosilicate Glass Filtering Flask Bolt Neck with Tubulation.
Brand: stonylab
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- Used for pressure filtration; or to increase flow rate when some concentrated solutions are slow or difficult to filter under normal pressure
- Made of borosilicate glass; capacity: 50 milliliters
- Flasks have a narrow mouth and tooled top finish
- Special notice: As this item is handmade, please allow an error range of 2~3mm
- StonyLab ensures high quality products and premium customer service; if received damaged, please contact us immediately; we will solve it until satisfied
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#5 Popular Choice
2pcs Erlenmeyer Flask Equipment Boiling Bottle Experiment Flask Side Arm Heavy Wall Filtering Storage High Borosilicate Glass Storage Bottle
Brand: BUGUUYO
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- Graduated flasks-- transparent bottle body design makes it easy to observe the change and residual of inner liquid.
- Erlenmeyer flask-- manufactured with glass material, with excellent durability and practicality.
- Conical flask science-- simple distillation, steam distillation, fractional distillation, boiling, etc.
- Flasks-- allows more uniform heating or boiling of a liquid, not easy to you safety.
- Glass flask-- fits for storage of biological and other liquid, solutions for laboratory, chemistry, scientific studies and storage at home.
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#6 Top Pick
iplusmile Glass Erlenmeyer Flask with Stoppers, 1000ml Wide Mouth Erlenmeyer Flask with Graduated for Lab, Experiment, Chemistry, Science Studies (Single)
Brand: iplusmile
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- Material: This glass flask is made of high borate glass material, which is durable and has no peculiar smell.
- Standard capacity: There are clear and accurate scales on the top of the flask, which are easier to identify and easy to measure accurately.
- Salient Features: This flask is reusable, not easy to break, easy clean, and resistant to high temperatures.
- Cork Stopper Included: Each Erlenmeyer flask comes with a cork stopper that perfectly seals the liquid in the flask for experiments.The Erlenmeyer flask is a nice lab chemistry beaker set.
- Scope of application: suitable for use in laboratories, school chemistry courses, chemical experiments, liquid measurement,
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#7 Top Pick
Complete Vacuum Filtration Kit - Includes 500mL Filtering Flask, Hand Vacuum Pump, Buchner Funnel, Filter Papers, Rubber Tubing & Stopper - Eisco Labs
Brand: Eisco
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- EVERYTHING YOU NEED
- All materials for conducting vacuum filtration procedures
- 6-PIECE SET
- Includes: (1) 500mL glass filtering flask with sidearm; (1) hand-held vacuum pump with gauge; (1) 4"dia. PP Buchner funnel; (100) 9cm filter papers; (1) 35" flexible tubing; (1) 1-hole rubber stopper
- PROTECTIVE FOAM INSERT
- Custom foam insert with cutouts keeps components protected and neatly organized
- EFFICIENT
- Faster way of separating solids from liquids than traditional gravity filtration
- HANDS-ON
- Students gain a better understanding of technique by actively participating in process
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#8 Top Pick
Eisco Labs Conical Filtering Flask with Integral Side Arm; 1000mL
Brand: Eisco
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- Conical Filtering Flask
- Integral Side Arm
- 1000mL
- Borosilicate Glass
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#9 Top Pick
250ml Filtration Apparatus Vacuum Lab Filtering Unit Flask and Clamp, Strong, Durable and Heat-Resistant
Brand: yuksok
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- Commonly used in industrial and academic laboratories for filtering particles, and other substances
- Good pressure and sealing performance, all according to international standards
- Provides a Lab Filtration Unit, including a 250mL filter flask, a 300mL graduated funnel and an aluminum clamp
- Be compatible with 47-60mm membrane filter paper
- Made of high-quality borosilicate glass, which is strong, durable and -resistant
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#10 Top Pick
500ml Filtration Apparatus Vacuum Lab Filtering Unit, Including 500mL Filter Flask, 300mL Graduated and Aluminum Clamp
Brand: F Fityle
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- Good pressure and sealing performance, all according to international standards
- Made of high-quality borosilicate glass, which is strong, durable and -resistant
- Be compatible with 47-60mm membrane filter paper
- Commonly used in industrial and academic laboratories for filtering particles, and other substances
- Provides a Lab Filtration Unit, including a 500mL filter flask, a 300mL graduated funnel and an aluminum clamp
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