Welding PAPR parts, compatibility and approval status — with sources

Look up a part number, find what fits your system, trace what replaced a discontinued part — and always see the difference between "it fits" and "it's approved." Every claim is labelled with our four-tier compatibility system and traces to a dated source.

Systems (9)

Part numbers (27)

Part numberPartStatus
15-0299-99 3M Adflo High-Efficiency (HE) Particulate Filter current
15-0499-99 3M Adflo Organic Vapour / Acid Gas (OV/AG) Cartridge current
35-1099-07 3M Adflo Li-ion Battery (standard) current
837012 3M Adflo Particle Filter P SL (EMEA) current
837620 3M Adflo Battery Standard (legacy NiMH era) superseded
837630 3M Adflo Li-ion Battery Standard (EMEA) current
837631 3M Adflo Heavy-Duty Li-ion Battery current
0700500901 ESAB EPR-X1 PAPR Blower Unit current
0700500902 ESAB EPR-X1 PAPR Prefilter current
0700500903 ESAB EPR-X1 P3 Particle Filter current
0700500904 ESAB EPR-X1 Battery current
0700500905 ESAB EPR-X1 PAPR Filter Cover current
0700500906 ESAB EPR-X1 PAPR Spark Arrestor current
0700500907 ESAB EPR-X1 Breathing Tube current
0700500908 ESAB EPR-X1 Breathing Tube Anti-fire Cloth current
0700500909 ESAB EPR-X1 Waist Belt and Shoulder Harness current
0700500910 ESAB EPR-X1 Universal Battery Charger current
0700500914 ESAB EPR-X1.1 Combined Gas Filter current
KP3424-2 Lincoln Electric Viking PAPR HEPA Filter current
KP3935-1 Lincoln Electric Viking PAPR Pre-Filter current
KP3936-1 Lincoln Electric Viking PAPR Spark Screen current
KP3937-1 Lincoln Electric Viking PAPR Standard Battery current
KP3938-1 Lincoln Electric Viking PAPR Extended Battery current
KP3944-1 Lincoln Electric Viking PAPR Blower Assembly current
244131 Miller PAPR Battery (Gen 1) discontinued
287178 Miller PAPR II Battery (Gen 2) current
4553.020 Optrel e3000X Battery (18-hour) current

Why this site exists

No manufacturer or retailer answers "will X fit Y" across brands, across generations, or for discontinued systems — respirators are approved as complete systems, so they have no incentive to. The result is welders piecing together answers from forums and marketplace listings for safety-critical equipment. We built the reference layer instead: structured records, graded evidence, visible verification dates, and honest labelling when the best available evidence is only a distributor's claim.