Lab & Scientific Equipment

The Best Lab Spinner Flasks

1 min read WeKompare Editorial Team Products verified: August 31, 2026 10 products compared

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Spinner flasks are essential for cell culture, providing a controlled environment for optimal growth and viability. Selecting the correct flask can significantly impact experimental outcomes and scalability. This guide will help you navigate the key features to consider for your specific laboratory needs.

No. 1
Wheaton Science Products 356843 Magna Flex Borosilicate Glass Assy Impeller Flask, 500 mL Capacity
Wheaton Science Products 356843 Magna Flex Borosilicate Glass Assy Impeller Flask, 500 mL Capacity
  • Designed for micro carrier cultures with a magnetic stirrer
  • Gentle stirring action provided by a bulb-shaped glass impeller
  • 1:1 headspace ratio for ideal gas exchange
  • Autoclavable borosilicate glass that conforms to usp type i and astm e 438 type i, class a requirements
$229.65
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No. 2
Wheaton 356879 Glass 250mL Celstir Spinner Flask, with 33-430 Screw Caps, 85mm x 175mm
Wheaton 356879 Glass 250mL Celstir Spinner Flask, with 33-430 Screw Caps, 85mm x 175mm
  • For microcarrier and suspension cultures such as insect cells, hybridomas, and adapted cell lines
  • Made from low extractable borosilicate glass that conforms to ASTM Type I, Class A and USP Type I requirements
  • Adjustable paddle blade impeller provides better mixing
  • Impeller rod does not extend through top cap which prevents accidentally knocking unit over
  • Entire unit may be autoclaved which makes cleaning easy
$424.35
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No. 3
Wheaton 356876 Glass 125mL Celstir Spinner Flask, with 33-430 Screw Caps, 65mm x 155mm
Wheaton 356876 Glass 125mL Celstir Spinner Flask, with 33-430 Screw Caps, 65mm x 155mm
  • For microcarrier and suspension cultures such as insect cells, hybridomas, and adapted cell lines
  • Made from low extractable borosilicate glass that conforms to ASTM Type I, Class A and USP Type I requirements
  • Adjustable paddle blade impeller provides better mixing
  • Impeller rod does not extend through top cap which prevents accidentally knocking unit over
  • Entire unit may be autoclaved which makes cleaning easy
$388.94
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No. 4
Wheaton 356875 Glass 50mL Celstir Spinner Flask, with 15-415 Screw Caps, 38mm x 141mm
Wheaton 356875 Glass 50mL Celstir Spinner Flask, with 15-415 Screw Caps, 38mm x 141mm
  • For microcarrier and suspension cultures such as insect cells, hybridomas, and adapted cell lines
  • Made from low extractable borosilicate glass that conforms to ASTM Type I, Class A and USP Type I requirements
  • Adjustable paddle blade impeller provides better mixing
  • Impeller rod does not extend through top cap which prevents accidentally knocking unit over
  • Entire unit may be autoclaved which makes cleaning easy
$319.79
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No. 5
Wheaton 356873 Glass 25mL Celstir Spinner Flask, with 15-415 Screw Caps, 38mm x 122mm
Wheaton 356873 Glass 25mL Celstir Spinner Flask, with 15-415 Screw Caps, 38mm x 122mm
  • For microcarrier and suspension cultures such as insect cells, hybridomas, and adapted cell lines
  • Made from low extractable borosilicate glass that conforms to ASTM Type I, Class A and USP Type I requirements
  • Adjustable paddle blade impeller provides better mixing
  • Impeller rod does not extend through top cap which prevents accidentally knocking unit over
  • Entire unit may be autoclaved which makes cleaning easy
$322.53
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No. 6
Kemtech America F41242 L Synthware Round Bottom 2-Neck Flask with Center 24/40 and Side 24/40 Joints, 2 L
Kemtech America F41242 L Synthware Round Bottom 2-Neck Flask with Center 24/40 and Side 24/40 Joints, 2 L
  • Round bottom
  • 2-Neck
  • 2L Value
  • Sold in each
$173.87
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No. 7
Corning 3569 Plastic Disposable Spinner Flask with Solid Cap and Aseptic Transfer Cap, Sterile, 1L Maximum...
Corning 3569 Plastic Disposable Spinner Flask with Solid Cap and Aseptic Transfer Cap, Sterile, 1L Maximum...
  • Extended paddle design ensures constant top-to-bottom motion of the liquid without having to adjust the height of the paddle
  • Bottom contours on the paddle hug the shape of the flask, eliminating dead spots
  • Two wide neck openings for easy pouring; easily accept a 100mL pipet
  • Vertical side baffles break up laminar flow - ensures better mixing and maximizes cell production
  • Single use only. Flasks cannot be autoclaved or resterilized with alcohol. Any attempt to do so will result in degradation of the materials
$2,891.95
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No. 8
Bomex 2000ml Narrow Mouth Graduated Erlenmeyer Flasks 1 Pack
Bomex 2000ml Narrow Mouth Graduated Erlenmeyer Flasks 1 Pack
  • 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...
  • High Quality Borosilicate Glass: High temperature resistance. These borosilicate glass erlenmeyer flasks have High chemical durability and low thermal expansion.
  • Convenient to use: Suitable for beginners or professional use, also the students, convenient classroom borosilicate glass erlenmeyer flasks.
  • Clear Scale: Erlenmeyer Flasks have clear and accurate scales for you to measure liquid efficiently.
  • Neck Style: Narrow mouth. Conducted in a slow and careful manner to avoid breakage. Heavy Duty Reusable.
$22.49
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Last update on 2026-08-31 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Lab Spinner Flasks

Comparison Tips for Spinner Flasks

When comparing different spinner flask models, focus on:
  • Durability and Longevity: Consider the expected lifespan of the flask, especially if it will be reused. Materials that resist scratching and cracking are preferable.
  • Ease of Cleaning and Sterilization: Simplicity in design can make cleaning and sterilization more efficient, reducing turnaround time between cultures.
  • Scalability: If your research involves scaling up, choose a system that offers a range of sizes or is compatible with larger bioreactor systems.
  • Manufacturer Reputation and Support: Opt for reputable brands known for quality control and good customer support.

Frequently Asked Questions

What are the main advantages of using spinner flasks for cell culture?
Spinner flasks provide a controlled environment for suspension cell culture, ensuring uniform cell distribution, nutrient exchange, and waste removal through continuous agitation and aeration. This leads to healthier cell growth and is ideal for scaling up cultures compared to static methods.
What is the typical volume range for lab spinner flasks?
Lab spinner flasks are available in a wide range of volumes, typically from 125 mL up to several liters. Larger capacities are often found in bioreactor systems designed for industrial or large-scale research applications.
How do I prevent cell damage from shear stress in a spinner flask?
Cell damage from shear stress can be minimized by optimizing the agitation speed. Start with a lower speed and gradually increase it until cells are suspended uniformly without visible damage. The shape of the flask and the stir bar design also play a role.
Can spinner flasks be autoclaved?
Most spinner flasks made of borosilicate glass are designed to be autoclavable. However, if the flask has plastic components or seals, it's crucial to check the manufacturer's specifications to ensure compatibility with autoclaving temperatures and pressures.
What is the difference between a spinner flask and a shake flask?
While both are used for cell culture, shake flasks typically rely on orbital shaking for aeration and mixing, and are generally used for microbial or simpler cell cultures. Spinner flasks use a magnetic stir bar and controlled gas flow for more precise control over suspension culture, especially for mammalian cells.
How often should the gas supply be checked in a spinner flask setup?
The gas supply should be monitored regularly, ideally daily, especially during critical culture phases. Checking gas flow rates and ensuring filters are functioning helps maintain optimal dissolved oxygen and CO2 levels, preventing culture issues.