SEC 03 // GUIDES INDEX · 3 RECORDS
Guides
Longer answers to the questions part listings can't answer: what to do when a battery dies, which generation trap you're about to walk into, and how to keep a discontinued system alive (or know when not to).
- 01 Adflo battery guide: 35-1099-07 vs 837631 — and what to do when yours dies2026-07-04
The Adflo battery supersession chain (837620 → 35-1099-07 → 837631), official runtimes and charge times from 3M's own manual, and an honest comparison of OEM replacement vs rebuild vs power-tool adapter.
- 02 Speedglas 9000 / 9002 Fresh-air rescue guide: what still exists, and when to retire it2026-07-04
Parts reality for the discontinued Speedglas 9000/9002 helmets with Fresh-air and legacy Adflo: what's still obtainable, what superseded what, and when the honest answer is to upgrade.
- 03 Miller PAPR Gen 1 vs Gen 2: the 287178 / 244131 battery trap2026-07-04
Miller's Gen 2 PAPR II battery (287178) does not fit Gen 1 blowers, which need the 244131. How to identify your generation before ordering parts.