3M 6003 vs 60923: OV/Acid Gas vs OV/Acid Gas/P100 Cartridge (2026)

Same Solvent-and-Acid Protection. One Adds P100 for the Dust and Mist.

Reviewed by the WC Safety Editorial Team — Last updated: June 2026.

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Short answer: The difference between the 3M 6003 and 60923 is particulate protection. The 3M 6003 (vendor: 3M, SKU 6003) is an organic vapor/acid gas (OV/AG) cartridge — it covers solvent vapors plus acid gases like chlorine, hydrogen chloride and sulfur dioxide, but nothing particulate. The 3M 60923 (vendor: 3M, SKU 60923) is the same chemistry plus a P100 filter for dust, mist and fume. So when people search "3M 6003 vs 60923," the real question is: does your solvent-and-acid environment also create particulate? If yes, the 60923; if it's gas only, the 6003 is lighter and cheaper. This guide is for coating, chemical and fabrication workers facing mixed solvent-plus-acid exposures, evaluated on gas coverage, particulate handling, compatibility, service life and value.

Safety-critical point: the 6003 does nothing to stop particulate. If your task throws off paint mist, sanding dust or fume and you wear a plain 6003, that particulate path is unfiltered. When both gas and particulate are present, use the 60923's P100 — or add a prefilter and retainer over the 6003. And note neither covers ammonia or formaldehyde; that's a job for the multi-gas 60926.

Quick Recommendations

If you know your chemistry and whether particulate is present, here's the fast route. The 60923 is simply the P100 version of the 6003.

3M 6003 vs 60923 at a Glance

3M 6003 vs 60923: Cartridges Side by Side

Buyer's Guide: How These Combination Cartridges Work

Both cartridges use a bed of activated and chemically treated carbon that captures two chemical classes at once: organic vapor (solvents) and acid gas (chlorine, hydrogen chloride, sulfur dioxide, chlorine dioxide, with hydrogen fluoride and hydrogen sulfide for escape). That dual coverage is what the "6003" and "60923" share. The 60923 adds one thing the 6003 lacks: a bonded P100 particulate filter capturing at least 99.97% of oil and non-oil particulates.

The major difference is particulate, and it maps to the physical state of the hazard. A gas or vapor passes through a particulate filter untouched, which is why you need the carbon; a dust, mist or fume passes through a bare gas cartridge untouched, which is why you need the P100. Many real solvent-and-acid jobs — catalyzed coatings, chemical processing, some plating — carry both at once, and that's the gap the 60923 closes. In 3M's lineup the 60923 is the P100 version of the 6003, just as the 60921 is to the 6001 and the 60922 is to the 6002.

Compatibility considerations: both use the 3M bayonet connection and fit the 3M 6000, 6500/6500QL and 7500 half masks and 6000/FF-400 full facepieces; neither fits Secure Click (800 series). Being interchangeable on the mask does not make them equal — never sub a 6003 where particulate is present. See are respirator cartridges universal?

Common mistakes and safety limitations: the main errors are wearing the 6003 in a particulate-laden job, and reaching for OV/acid gas when ammonia or formaldehyde is actually present (that needs multi-gas). Both may only be used where the atmosphere is not immediately dangerous to life or health (IDLH), oxygen is at least 19.5%, and the contaminants and concentrations are known. Important buying factors: confirm your gases from the Safety Data Sheets, decide whether particulate is present, and don't pay for breadth you won't use — the method is in how to choose a respirator cartridge.

3M 6003 vs 60923: Protection by Hazard

Map your task to the air. A check means the cartridge protects against that hazard as supplied; a cross means it does not (on its own):

The pattern is consistent across the 3M line: both cover the solvent and acid gases; only the 60923 adds particulate; and broader chemistry (ammonia/formaldehyde) means stepping up to multi-gas — compare 6003 vs 6006 and 6006 vs 60926.

Product Recommendations

3M 6003 — Best Value OV/Acid Gas Cartridge

Overview: The 3M 6003 (vendor 3M, SKU 6003) is the organic vapor/acid gas cartridge — two chemical classes in a light, gas-only package.

• Best for: chemical handling, labs and coating work where solvents and acid gases occur together but no particulate is present.
• Pros: covers solvents + acid gases, lighter and cheaper than the P100 version, fits all 3M 6000-series facepieces.
• Cons: no particulate protection; no ammonia/formaldehyde; finite service life.
• Key features: dual-treated carbon, yellow NIOSH band, bayonet mount.
• Important limitation: not for spray painting or sanding without a separate prefilter.
• Upgrade path: the 60923 (OV/AG/P100) when particulate is present.
• Alternative option: the multi-gas 6006 if you also face ammonia/formaldehyde — see 6003 vs 6006.

Read the 3M 6003 review.

Check 3M 6003 Price on Amazon →

3M 60923 — Best Overall (When Particulate Is Present)

Overview: The 3M 60923 (vendor 3M, SKU 60923) is the OV/acid gas/P100 combination — the 6003's gas chemistry with a built-in P100 filter.

• Best for: catalyzed/two-component spray coatings, chemical processing and plating that mix solvent and acid vapor with mist or dust.
• Pros: three protections in one (OV + acid gas + P100), no separate prefilter, simpler stocking.
• Cons: costs more and breathes slightly harder than the 6003; no ammonia/formaldehyde.
• Key features: dual-treated carbon + bonded P100, bayonet mount.
• Important limitation: not valid in IDLH or oxygen-deficient atmospheres.
• Upgrade path: the 60926 (multi-gas/P100) for broader chemistry.
• Alternative option: the 60921 (OV/P100) if no acid gas is present — see 6001 vs 60921.

Read the 3M 60923 review, and compare the acid-gas-only path in 6002 vs 60922.

Check 3M 60923 Price on Amazon →

Comparison Table

Common Buying Mistakes

• Wearing the 6003 in a particulate job. Spray mist, sanding dust and fume need the 60923's P100 — the 6003 won't stop them.
• Choosing OV/acid gas when ammonia or formaldehyde is present. Neither the 6003 nor 60923 covers those — step up to the multi-gas 6006 or 60926.
• Confusing a filter with a cartridge. A P100 filter stops particulate only; the 6003 stops gases only; the 60923 does both. Match the tool to the hazard mix.
• Ignoring respirator compatibility. These bayonet cartridges fit 3M 6000/6500/7500 facepieces, not Secure Click (800 series) — see are respirator cartridges universal?
• Relying on smell to time replacement. Several covered gases have poor warning properties — use a written change schedule, not your nose.
• Using a cartridge in an IDLH or low-oxygen space. No air-purifying cartridge is valid there — that requires supplied air.

3M 6003 or 60923: Which Should You Buy?

Because the 60923 includes everything the 6003 does plus P100, the decision is simply "is there particulate in my air?"

Where to Buy

Frequently Asked Questions

Final Recommendation

• Best Overall — 3M 60923 (OV/Acid Gas/P100): the safe default when solvent, acid gas and particulate are all present.
• Best Budget — 3M 6003 (OV/Acid Gas): the same gas chemistry, lighter and cheaper when no particulate is present.
• Best Professional — 3M 60926 (Multi-Gas/P100): when ammonia or formaldehyde joins the mix.
• Best Specialty — 3M 60921 (OV/P100): lighter combination when only organic vapor + particulate are present.

Verdict: if there's particulate in your air, choose the 60923; if it's solvent-and-acid gas only, the 6003 saves weight and money; and step up to multi-gas if ammonia or formaldehyde is involved. Confirm against the 3M cartridge guide and a proper hazard assessment, and browse the range in 3M Respirator Filters & Cartridges.

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Why Trust WC Safety

WC Safety is an independent safety-equipment resource. We do not accept manufacturer payment, sponsorship, or free samples in exchange for coverage. Our cartridge comparisons are built from NIOSH approval data, 3M technical data sheets and real application requirements, and every recommendation is mapped to the hazard — gas, particulate, or both — not to advertising spend.

Methodology: We compared the 3M 6003 and 60923 on gas coverage, particulate handling, suitability by task (chemical handling, catalyzed coatings, plating), facepiece compatibility, breathing resistance, change-schedule requirements and typical retail price. Specifications reflect 3M published data current as of June 2026; always confirm the NIOSH approval label, perform a hazard assessment, and follow your employer's written respiratory protection program. Respirator selection for hazardous atmospheres must be based on actual exposure levels.