Lab & Scientific Equipment

The Best Lab Spinner Flasks

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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 356830 Glass 125mL MagnaFlex Microcarrier Spinner Flask, with 33-430 Screw Caps, 65mm x 155mm
  • Designed for use with microcarrier cultures
  • Stirring system increases stirring efficiency and provides a gentle, even circulation throughout the flask while keeping the beads in
  • Removable stainless steel pin immobilizes the impeller during handling or decanting to prevent damage to cells or microcarriers
  • Side arms for 500mL - 6L flasks allow vented caps which enables the flask to "breath" while protecting from contamination
  • Entire unit may be autoclaved which makes clean easy
No. 3
Wheaton 356831 Glass 250mL MagnaFlex Microcarrier Spinner Flask, with 33-430 Screw Caps, 85mm x 175mm
  • Designed for use with microcarrier cultures
  • Stirring system increases stirring efficiency and provides a gentle, even circulation throughout the flask while keeping the beads in
  • Removable stainless steel pin immobilizes the impeller during handling or decanting to prevent damage to cells or microcarriers
  • Side arms for 500mL - 6L flasks allow vented caps which enables the flask to "breath" while protecting from contamination
  • Entire unit may be autoclaved which makes clean easy
No. 4
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
No. 6
Wheaton 356882 Glass 500mL Celstir Spinner Flask, with 45mm Screw Caps, 110mm x 190mm
  • 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
No. 7
Wheaton 356954 Glass 1000mL Celstir Spinner Flask, with 45mm Screw Caps, 150mm x 260mm
  • Water jacket allows for precise temperature control
  • Manufactured from low extractable borosilicate glass
  • Proportioned to provide a head space ratio of 1:1 or greater
  • Impeller rod does not extend through top cap which prevents accidentally knocking unit over
  • Entire unit may be autoclaved which makes cleaning easy
No. 8
Wheaton 356834 Glass 1000mL MagnaFlex Microcarrier Spinner Flask, with 45mm Screw Caps, 130mm x 250mm
  • Designed for use with microcarrier cultures
  • Stirring system increases stirring efficiency and provides a gentle, even circulation throughout the flask while keeping the beads in
  • Removable stainless steel pin immobilizes the impeller during handling or decanting to prevent damage to cells or microcarriers
  • Side arms for 500mL - 6L flasks allow vented caps which enables the flask to "breath" while protecting from contamination
  • Entire unit may be autoclaved which makes clean easy
No. 9
Wheaton 356832 Glass 500mL MagnaFlex Microcarrier Spinner Flask, with 45mm Screw Caps, 110mm x 190mm
  • Designed for use with microcarrier cultures
  • Stirring system increases stirring efficiency and provides a gentle, even circulation throughout the flask while keeping the beads in
  • Removable stainless steel pin immobilizes the impeller during handling or decanting to prevent damage to cells or microcarriers
  • Side arms for 500mL - 6L flasks allow vented caps which enables the flask to "breath" while protecting from contamination
  • Entire unit may be autoclaved which makes clean easy

Last update on 2026-07-15 / 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.