Introducing the EOGas 4PLUS 2025
The EOGas 4 PLUS is the first FDA-cleared system for terminal sterilization of duodenoscopes and colonoscopes. It uses a microdose of EO — 90% less than other systems — and delivers 100% sterilization, even in the most complex devices.
Best for Healthcare & Research
EOGas 4PLUS: FDA-Cleared Sterilization for Scopes – Reinvented with Microdose EO
The upcoming EOGas 4 PLUS sets a new industry standard for sterilizing critical reusable instruments, including endoscopes. Featuring our EO-Flexible Chamber Technology and microdose cartridge (just 17.6g), it delivers safe, effective sterilization with minimal emissions and zero compromise on performance.
Image Gallery
Explore the EOGas 4 Plus in Action
Accessories
Accessories Designed to Work Seamlessly with EOGas 4 Plus
AN1004.16 EOGas 4 Refill Kit
AN2203 EZTest Biological Indicator
AN5100 EO Abator
Downloadable Documents
User Manuals and Technical Documents for EOGas 4 Plus
EOGas 4 Plus Brochure
English
Installation Instructions
English
Installation Instructions
Spanish
Installation Instructions
French
EOGas 4 Zero Emissions Math
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Ethylene Oxide Safety Data Sheet – EO SDS
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Ethylene Oxide Safety Data Sheet – EO SDS
Spanish
Ethylene Oxide Safety Data Sheet – EO SDS
French
Compare All Andersen Sterilizer Models
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Health Canada License EOGas 4
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Health Canada License AN1004
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Instructions for Use: EOGas 4
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SPECS – Exterior Dimensions. See the brochure for interior dimensions.
Best for Veterinary
Free Lifetime Training for All Operators
Andersen provides free training for as many operators as required, for the lifetime of any of its sterilizers.
Videos
Learn How to Use the EOGas 4: Training & Tutorials
Efficient 3.5-Hour Sterilization Process
Achieves FDA-required 10-6 sterility assurance level for terminal sterilization of medical devices.
Simple Installation Requirements
Only needs a 120v or 230v outlet.
Automatic Lock Mechanism
Door locks at the start and unlocks at the end.
Active Aeration in One Chamber
Fresh air flow eliminates need for transferring devices.
17.6g EO Cartridge Efficiency
Uses 90% less EO for terminal sterility.
Zero Emissions System
Converts ethylene oxide into biodegradable compounds safely.
Complimentary Operator Training
Free training and 24/7 support for your team.
User-Friendly Controls
Two-button interface with clear digital display.
Consistent Controlled Environment
Warm air circulation ensures effective sterilization throughout.
Integrated Process Challenge Device
Ensures optimal placement for reliable biological indicator results.
Broad Sterilization Compatibility
Sterilizes delicate instruments without external vacuum lines.
FDA-Cleared Shelf Life
Sterilization pouches maintain integrity for at least three months.
Why Ethylene Oxide?
Why Now?
Other methods miss what EO gas reaches. EO sterilizes 100% of surfaces, even in hard-to-reach lumens and complex devices. With just a microdose (17.6g), EO Gas 4+ uses 10x less gas than competitors — proving safer doesn’t mean weaker.
Experience the Future of Fast and Efficient Sterilization with EOGas 4 Plus
Unmatched Speed and Efficiency
Achieve sterilization in just 3.5 hours, including aeration, for delicate medical items.
Eco-Friendly and Cost-Effective
Utilize only 17.6g of EO gas, reducing usage by 90% compared to competitors.
Versatile Applications for All Needs
Perfect for instruments, electronics, fabrics, and more—ensuring effective sterilization across various materials.
User-Friendly
Interface
Our intuitive design allows you to set it and forget it, with lifetime training included.
Customer Testimonials
Our experience with Andersen has been outstanding.
FAQs
Find answers to your most pressing questions about the EOGas 4 PLUS sterilization system.
Expert Guidance for Your Needs
Tell us a bit about your sterilization needs — our experts will guide you to the right EO solution.