Lincoln Electric XLR P100 K4683-M is a Medium elastomeric half-mask respirator assembly for properly assessed metal-fabrication particulate hazards. Its low-profile format is designed for use with compatible welding PPE.
Key Features and Benefits
- The Medium designation identifies this facepiece size.
- An adjustable four-point suspension supports fitting the mask.
- P100 particulate filters are enclosed in protective nylon housings.
- The Compressify design supports the manufacturer’s face-seal check.
- A resealable foil package provides the documented storage container.
Technical Specifications
| Specification | Details |
|---|---|
| Model / manufacturer part number | K4683-M |
| Size | Medium |
| Type | Elastomeric half-mask particulate respirator |
| Filter class | P100 |
| Approval | NIOSH 42 CFR Part 84 |
| Assigned protection factor | 10, subject to correct selection and use |
| Replacement filters | KP4684-2 |
Applications and Compatibility
Respirator selection must follow the assessed workplace hazard, required protection and fit requirements. P100 particulate filtration is not a universal gas/vapor or oxygen-deficiency solution. Confirm compatibility with the other PPE actually worn.
What Is Included
- Medium XLR half-mask assembly with suspension and P100 filter configuration
- Resealable foil storage package
Setup and Documentation
Follow the respirator instructions and workplace respiratory-protection program. The manufacturer states that its seal-check feature does not replace the required fit test. Inspect the facepiece, harness and filters and follow the documented replacement procedure. The relevant manufacturer document is available in Downloads & Documents.
Frequently Asked Questions
Is K4683-M the Medium size?
Yes. Small and Large are different part numbers.
Which replacement filters are specified?
KP4684-2 XLR replacement P100 filters.
Does the seal-check feature replace fit testing?
No. The manufacturer explicitly distinguishes the Compressify seal check from fit testing.