W&H Lexa Class S Sterilizer, 28L
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W&H Lexa Class S Sterilizer delivers high-capacity steam sterilization with dynamic pulsed air removal, vacuum-assisted drying, digital cycle documentation, and a 28-liter chamber for efficient instrument reprocessing.
Product Code: NLexa-S
The W&H Lexa Class S Sterilizer is designed to improve medical instrument reprocessing with a large 28-liter chamber, versatile cycle programs, short cycle times, and closed-door vacuum-assisted drying. Its unique reversible rack and four large aluminum trays provide flexible loading for medium and larger instrument loads. Built-in USB cycle documentation, Ethernet connectivity, single-use distilled water management, and an intuitive color touchscreen help streamline daily sterilization workflows and documentation.
- Class S steam sterilizer with dynamic pulsed air removal
- Large 28-liter (7.4 gallon) chamber
- Chamber dimensions 11”x18”
- Closed-door vacuum-assisted drying
- Up to 18 lb maximum unwrapped load capacity
- Versatile programs for unwrapped, wrapped and low-temperature loads
- Built-in USB data logger for digital cycle documentation
- Ethernet connectivity; optional Wi-Fi kit
- Single-use distilled water management
- Automatic draining; automatic water filling optional
- User-friendly color touchscreen interface
- Reversible rack with four large aluminum trays
- Optional user authentication, load release and barcode label printing
Included with the W&H Lexa Class S: reversible rack, four aluminum trays, drain tube, tray holder, USB drive, door opening tool, and factory test documentation.
| Specification | Value |
|---|---|
| Trade Name | Lexa |
| Type | MN-111 |
| Chamber Capacity | 28 L (7.4 gal) |
| Power Supply | 200–240 VAC, 50/60 Hz, 10 A, Single Phase |
| Overall Dimensions | 19.3" W × 17.8" H × 24.3" D |
| Weight | 105.8 lbs (48 kg) |
| Main / Used Water Tanks | 1.7 / 1.8 gal (6.4 / 6.7 L) |
| Connectivity | 5 USB Ports, 1 Ethernet Port |
| Automatic Water Filling | Optional |
| Automatic Draining | Standard |
| Cycle | Temperature | Holding Time | Total Cycle* |
|---|---|---|---|
| Unwrapped | 270°F (132°C) | 4 min | 26–39 min |
| Wrapped Medium Load | 270°F (132°C) | 4 min | 43–53 min |
| Wrapped Large Load | 270°F (132°C) | 4 min | 48–58 min |
| Wrapped X-Large Load | 270°F (132°C) | 4 min | 58–71 min |
| Low Temperature | 250°F (121°C) | 30 min | 73–79 min |
*Cycle times are approximate and may vary depending on voltage and instrument loads.
- W&H Lexa Sterilizer
- Reversible Rack
- Four (4) Aluminum Trays
- Tray Holder
- Drain Tube
- USB Drive
- Door Opening Tool
- Factory Test Documentation
Discover more in our FAQ
Which water quality should I use for my sterilizer?
Which water quality should I use for my sterilizer?
What is the maximum noise level of the Lexa sterilizer?
What is the maximum noise level of the Lexa sterilizer?
What is the W&H Lexa Class S Sterilizer?
What is the W&H Lexa Class S Sterilizer?
What is the chamber capacity of the W&H Lexa?
What is the chamber capacity of the W&H Lexa?
How fast is the W&H Lexa sterilizer?
How fast is the W&H Lexa sterilizer?
Discover more in our FAQ
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How do I look up disinfectant on List N?
First, find the product registration number. This can be found on the product label or safety data sheet. Duraline posts most registrations in the Product Description field of the product page in our website. Second, go to the epa.gov website: https://cfpub.epa.gov/giwiz/disinfectants/index.c... and enter the first 2 parts of the registration number and click enter.
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My product has 3 parts on the registration number and I can't find all 3 on the approved website for List N. Why?
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I can't find Swovo disinfectant wipes on List N. Where is it?
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To find this on the epa.gov website, you only need to enter the first 2 parts of this number, "59894-10"
This primary registration number is on the list, and so it is approved! See screenshot below.

