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the 3100520 carries standard hardware and the 3101229 upgrades the web to Dyneema
What lens and frame combos does it come in
97% efficiency) with multigas chemical vapor protection in a single filter pair
Standard size for broad fit
the 6705 Pura-Fit is NRR 33 (single-use foam)
Miller Classic Series Auto-Darkening Welding Helmet PAPR Replacement Filter the 3100520 carries standard hardwareExpert breakdown: Miller Classic Series Welding Helmet Review (2026) WC Safety Editor's Note: The Miller Classic Series is the entry point into Miller's auto darkening lineup ClearLight optics and 4 arc sensors at a competitive price point. It's ordered most by MIG and TIG welders stepping up from passive hoods to their first quality ADF helmet. Full editorial review in progress. Compare all welding helmets Miller Classic Series Auto Darkening Welding
