Filtering Flasks

Filtering flasks are essential tools in laboratory settings, primarily used for separating solids from liquids through filtration. These flasks are crucial for various applications, including bacterial culture flasks and Buchner flasks.

Filtering flasks ensure reliable performance even under rigorous conditions and are designed with durable, heat-resistant glass. Many feature heavy-duty side arms for secure vacuum attachments, which facilitate faster filtration processes. The sturdy construction reduces the risk of breakage, providing longevity and dependable use.

These flasks' specific design allows for efficient and safe handling of cultures and other samples. The thick-walled glass can withstand high vacuum pressures, making them suitable for microbiology and chemistry labs. Options within this category include various sizes and capacities to suit different volumes and requirements.

Filtering flasks are often compatible with a range of stoppers and adapters, allowing seamless integration into existing lab setups. Accessories such as rubber stoppers and filter adapters enhance versatility, ensuring these flasks meet diverse laboratory needs effectively.

Filtering Flasks

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  • Glass Filtering Flasks

    Borosilicate Glass Filtering Flasks include a heavy-duty rim and a bolt neck with tubulation. Graduations are printed in durable white enamel. Manufactured from low-expansion Type 1, Class A Borosilicate 3.3 glass that complies with ASTM E438 Standard Specification for Glasses in Laboratory...

  • Aldrich® filter flask capacity 1000 mL, stopcock for 3-way

    Synonym: filter flask, filter flasks, filtering flasks, flask filter General description 1,000 mL, with 3-way glass stopcock. Allows waste solvent to be drained from flask via stopcock without disassembly, thus minimizing breakage. Use with NMR tube cleaners, Gooch crucibles, and Buchner funnels....

  • Gasket, Reaction Flask

    Flat gaskets for sealing two flat ground glass surfaces. Plain flat or grooved PTFE gaskets reduce breakage and make an effective seal. Our flat, exclusive FETFE gasket provides a leak-free seal with slight clamp pressure. These are designed especially for use with our conical or flat ground flange...

  • Amber Volumetric Flasks,100mL To Contain

    Amber stained volumetric flasks are manufactured per ASTM E-288 Class A Serialized glassware specifications. Calibrated to contain (TC), these flasks feature white enamel printing and diamond etched graduation line. For light sensitive materials. Specifications: Type 1 Borosilicate Glass Size: 100ml...

  • PP S/C Volumetric Flasks,50mL Class B  - With Screw Cap

    Individually calibrated to deliver at 20C. Durable ring marks resilient wear. Certified Class B with individual ring marking per DIN 122664. Supplied with screw cap. Specifications: Volume Ml: 50ml Accuracy +/- Ml: 0.10 Height: 150mm Thread Gl: 18 Case Quantity: 2  

  • ValueWare® Filter Flasks, Heavy Wall

    DWK Life Sciences (Kimble)

    Manufactured from KIMAX™ borosilicate glass, ValueWare has a low coefficient of expansion and a very high resistance to chemical attack. This means optimal performance in the lab at an affordable price. Long life expectancy, resistant to most chemicals. Ideal for general laboratory use....

  • Glass Filtering Flasks with Adapter

    Filtering conical flask made of high quality Borosilicate glass Conical shape for spill prevention Integral Plastic Side Arm Filtering conical flask made of high quality Borosilicate glass with an integral plastic side arm Conical shape for spill prevention.  

  • Carrier tray for Erlenmeyer Flaskss, for 8 Flaskss, 500 mL, SW units

    The Bellco Glass carrier tray is crafted to securely accommodate up to eight 500 mL Erlenmeyer flasks. Constructed from durable materials, it provides stability and ease of transport within lab environments. Its compact design allows for efficient use of space while ensuring the safety of the...

  • Buchner Filtering Flasks with Angled Side Arm

    Buchner filtering flask made of high quality polypropylene. Eisco Labs proudly manufactures its own products, using only the highest grade, raw materials to ensure that they can withstand use in even the toughest laboratory environments Conical shape for spill prevention. Beaded rim Angled side arm...

  • Borosil® Bolt Neck Filtration Flasks

    Borosil® Bolt Neck Filtering Flasks shape is designed to impart maximum mechanical strength. They are blown in special molds to withstand the demands of the modern laboratory. The neck finish is developed for strength and to ensure a proper stopper fitting. Avail. in 50mL to 20 L capacity. 10L...

  • 10L Bottle/Filter Flask

    United Scientific Supplies

    With its thick glass walls and sturdy construction, this 10L bottle/flask is perfect for filtering large volumes of liquid. The thick walls and design enables this flask to withstand vacuum filtration without imploding. Graduated in 1000mL increments on a scale from 2000mL to 8000mL with an accuracy...

  • Spring clamp for Erlenmeyer Flaskss, 300 mL (requires 8970620)

    Secure your 300mL Erlenmeyer flasks with precision using the Bellco Glass Spring Clamps. Designed to provide a firm and stable grip, these clamps prevent accidental spills and tip-overs during critical laboratory procedures. Please note that these clamps require the use of stand or apparatus number...

  • Basic tray for assembling Erlnenmeyer Flasks spring clamps, SW units

    Streamline your laboratory operations with this high-quality Basic tray designed for assembling Erlenmeyer Flask spring clamps and SW units. This tray ensures that all your flask clamps and units are neatly organized and easily accessible, leading to improved lab efficiency. Made with precision, it...

  • Trypsinizing Flasks,125mL

    Manufactured from Type 1 Class A Borosilicate Glass. Designed with deep side baffles for optimal agitation. Large bottom surface for easy access with Bellco large orifice pipette. Specifications: Type 1 Class A Borosilicate Glass Size: 125ml Break Resistant Lip Dimensions: 66 X 115mm Case Quantity:...

  • Carrier tray for Erlenmeyer Flaskss, for 11 Flaskss, 250-300 mL, SW units

    Simplify your lab operations with the Bellco Glass Carrier tray, designed specifically for Erlenmeyer flasks. This robust, precision-engineered tray can comfortably accommodate up to 11 flasks, each with a capacity of 250-300 mL. Ideal for use in both academic and professional laboratories, the tray...

  • PP S/C Volumetric Flasks,100mL Class B  - With Screw Cap

    Individually calibrated to deliver at 20C. Durable ring marks resilient wear. Certified Class B with individual ring marking per DIN 122664. Supplied with screw cap. Specifications: Volume: 100ml Accuracy +/- Ml: 0.16 Height: 180mm Thread: 18 Case Quantity: 6

  • Amber Volumetric Flasks,200mL To Contain

    Amber stained volumetric flasks are manufactured per ASTM E-288 Class A Serialized glassware specifications. Calibrated to contain (TC), these flasks feature white enamel printing and diamond etched graduation line. For light sensitive materials. Specifications: Type 1 Borosilicate Glass Size: 16...

  • Spring clamp for Erlenmeyer Flaskss, 10 mL (requires 8970620)

    The Bellco Glass Spring Clamp is designed to securely hold 10 mL Erlenmeyer flasks in laboratory setups. It requires the use of an additional component (8970620) for full functionality. The clamp provides a firm grip on flasks, preventing movement during experiments and ensuring safety. This...

  • PYREX® VISTA™ Filtering Flasks

    Micro Filtering Flasks These PYREX® VISTA™ micro filtering flasks are recommended for microchemical use. The vacuum hose is attached to the flask's sidearm. A funnel is inserted into the neck of the flask through a ground joint or rubber stopper. The applied vacuum facilitates the...

  • Trypsinizing Flasks,250mL

    Manufactured from Type 1 Borosilicate Glass. Designed with deep side baffles for optimal agitation. Promotes enzyme digestion of tissue fragments and homogenates into cell suspense. Includes rubber lined black phenolic screw caps. Integral dam contains non-trypsinized tissue during decanting....

  • 47mm Membrane Filtration Apparatus

    Borosilicate glass filtration apparatus accomodates 47mm diameter membrane filters. The new design utilizes a nylon Ace-Thred adapter to join the glass funnel, filter flask and fritted disc together. This design eliminates the need for the clamping device, stopper and base piece. The unit is easy to...

  • Trypsinizing Flasks,1 L

    Manufactured from Type 1 Class A Borosilicate Glass. Designed with deep side baffles for optimal agitation. Large bottom surface for easy access with Bellco large orifice pipette. Specifications: Type 1 Class A Borosilicate Glass Size: 1L Break Resistant Lip Dimensions: 128 X 223mm Case Quantity: 2

  • Trypsinizing Flasks,125mL

    Designed with deep side baffles for optimal agitation. Promotes enzyme digestion of tissue fragments and homogenates into cell suspension. Includes rubber lined black phenolic screw caps. Integral dam contains non-trypsinized tissue during decanting. Specifications: Type 1 Class A Borosilicate Glass...

  • 1000mL Flasks Clamp, compatible with 105008 (CO2-Resistant Shaker)

    Employing a secure hold for your 1000mL flasks during shaking or stirring processes in the lab has never been easier. This clamp is specially designed to be compatible with the 105008 CO2-Resistant Shaker, ensuring a sturdy grip and resistance to movements. The robust construction ensures longevity...

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