SEC 01 // SYSTEM RECORD
Miller Miller PAPR II (Gen 2)
Second-generation Miller welding PAPR (PAPR II). Uses its own battery (287178) and filters (287170-series) which are NOT backward-compatible with Gen 1 units — Gen 1 requires battery 244131. Always identify your generation before ordering parts.
Approval class
| Standard | Class | Region |
|---|---|---|
| NIOSH 42 CFR 84 | HE (approval-label specific) | US |
Generations & part-number caution: Gen 2 battery 287178 (~8 h runtime) with Gen 2 charger 282077. Filters 287170-series HEPA. None of these fit Gen 1.
Compatible headtops
- T94i-R (flip-front)
- Miller hard-hat PAPR headtops
Parts in our database
| Part number | Part | Category | Compatibility status |
|---|---|---|---|
287178 | PAPR II Battery (Gen 2) | battery | T2 Manufacturer-listed part |
Record sources
Evidence — dated sources
- [01] www.millerwelds.com manufacturer page Miller officially lists PAPR II HEPA filters, prefilter and Gen 2 battery; distributor evidence confirms Gen 2 battery is not Gen 1 compatible. Re-verify SKUs against Miller pages in Phase 1. 2026-07-04