Guides

Acid gases — chlorine, hydrogen chloride, sulfur dioxide and chlorine dioxide — come from water treatment, chemical processing, battery rooms and acid-catalyzed coatings. This guide ranks the best 3M acid-gas cartridges, led by the 60923 OV/acid-gas/P100, with the gas-only 6003 and pure-acid 6002 as alternatives.

Spray painting throws two hazards at once — solvent vapor and atomized paint overspray. The best 3M cartridge for spray paint is the 60921 OV/P100, which handles both in one. This guide ranks it against the budget 6001, the 60923 for acid-catalyzed 2K coatings, and the right prefilter and mask pairings.

A 3M multi-gas cartridge covers organic vapor, acid gases, ammonia, methylamine, formaldehyde and hydrogen fluoride in a single sorbent. This guide ranks the 60926 (with P100), the budget gas-only 6006, the Secure Click D80926, and the mercury-rated 60927 — and shows when a cheaper OV/AG cartridge is the smarter buy.

Solvents, paint thinners, degreasers and adhesives off-gas organic vapor (OV). This guide ranks the best 3M OV cartridges — the 6001 gas-only standard, the 60921 OV/P100 combo, and the rest — and shows exactly when you need a particulate prefilter and which 3M masks they fit.

We rank the best PAPR hoods and headtops for 2026 — 3M Versaflo suspension hoods, economy multi-packs, the Drager X-plore 8500 and a healthcare PAPR kit — by fit, filtration and value.

Our 2026 ranking of the best PAPR welding helmet picks: Speedglas G5-01, Miller PAPR II, Lincoln FGS, Optrel e3000X and RPB Z-Link+ compared on airflow, lens and fit.

Our 2026 ranking of the best PAPR respirator systems: powered air-purifying respirators compared by headtop type, APF, HE/gas filtration, and battery for heavy industry, welding, and bearded workers.

When do you need a respirator? Whenever airborne dust, fumes, vapors, gases, or smoke exceed safe limits. The 7 signs, task-by-task answers, and how to choose the right respirator — starting with a versatile 3M 6500 half-mask.

Complete buyer guide to MSA Safety respirators: Advantage 200LS/420/900/3200/4100/1000, Comfo Classic, Ultra Elite, cartridge selection, and OSHA compliance.

First, make sure a respirator is actually called for: see when do you need a respirator for the 7 signs and common tasks.

This guide is written for working construction tradespeople and safety managers selecting N95 respirators for silica dust, concrete dust, and demolition particulates. Every pick meets NIOSH N95 filtration and is evaluated against OSHA 29 CFR 1926.1153 (Silica in Construction) Table 1 task…

Best disposable respirator for painting in 2026: 7 NIOSH-certified picks for auto body, spray painting, and solvent applications. R95 and nuisance OV options ranked.