MSA Gmc P100 OV Acid Gas Particulate Cartridge Review
Affiliate disclosure: As an Amazon Associate, WC Safety earns from qualifying purchases at no extra cost to you. Commissions do not influence our review.
★★★★½ 4.5/5
Reviewed by Steven Eaton, WC Safety Editorial
| Brand | MSA Safety |
|---|---|
| Category | Respirator Cartridge |
| Model / SKU | 815180 |
The MSA GMC/P100 Respirator Cartridge — Organic Vapor And Acid Gas/P100 (MSA Comfo) is a respirator cartridge from MSA Safety, listed on Amazon. This review restates what the product page documents, places it in its respiratory protection lane, and points to the ranked guides for the head-to-head field.
What the Product Page Documents
Published · Last updated
Best For: organic vapor and acid gas with dust in one cartridge on MSA Comfo respirators.
Not For: ammonia or formaldehyde. It covers organic vapor and acid gas and particulate only.
Bottom Line: the do-it-all organic vapor and acid gas-plus-dust cartridge for the MSA Comfo system. If there is no dust, the gas-only GMC is cheaper.
Where It Earns Its Slot
This is the Comfo-mount version of MSA's GMC/P100 chemistry: organic vapors, acid gases, and P100 particulates for the Comfo facepiece family. The chemistry story matches its Advantage twin — what changes is the thread, and on cartridges the thread is everything: a cartridge that will not seat on your facepiece protects nobody.
Advantage users want the Advantage GMC/P100 instead; Comfo users choosing between combination and gas-only should weigh the GME and GMT, which trade the P100 element away for gas-focused service in low-dust work. As across the whole GM family, ammonia and formaldehyde are excluded.
Honest Limits
Comfo cartridges seat on Comfo facepieces only — verify the lock on your specific model, and inspect the gasket face at every change. The multi-bed service-life rules apply unchanged: schedule from data per 1910.134, retire on the shortest bed's life or on breathing resistance, and never extend a schedule because nothing smelled wrong.
Pros and Cons
Pros
- Documented respirator cartridge from MSA Safety
- Model 815180 — traceable part number
- Listing-grounded specs — nothing invented here
Cons
- Configuration options live on the linked listing
- Where the listing is silent on a rating, verify the physical markings
Alternatives in the Same Lane
- 3M 6001 Organic Vapor Cartridge — 3M Bayonet Respirator Filt
- 3M 6002 Acid Gas Respirator Cartridge
- 3M 6003 Organic Vapor and Acid Gas Respirator Cartridge
- 3M 6004 Ammonia and Methylamine Respirator Cartridge
- 3M 6005 Formaldehyde and Organic Vapor Respirator Cartridge
- 3M 6006 Multi Gas and Vapor Respirator Cartridge
- 3M 2091 P100 Respirator Filter
- 3M 2096 P100 Respirator Filter Nuisance Acid Gas
- 3M 2097 P100 Respirator Filter Nuisance Organic Vapor
Respiratory Protection Guides
- When Do You Need a Respirator?
- Best Respirator for Welding Fumes
- OV vs OV/AG vs Multi-Gas Cartridges
- Best N95 for Construction
- Best Multi-Gas P100 Cartridge
Browse by Category
- Respiratory Protection
- Filters & Cartridges
- N95 Respirators
- Disposable Respirators
- Fit Test Kits
- PPE Care & Accessories
Frequently Asked Questions
General questions about ratings, OSHA limits and fit are answered in the When Do You Need a Respirator? guide.
How much does the MSA GMC/P100 Respirator Cartridge — Organic Vapor And Acid G cost?
current pricing at the linked listing — prices track the live page, and configuration choices there can shift the number.
The Bottom Line
Rated 4.6/5. For Comfo wearers facing solvents, acid gases, and dust together, this is the one-cartridge configuration. Its real competition is not another brand — it is making sure the mount, the chemistry, and the survey all describe the same job.
About the Author
Steven Eaton is the founder of WC Safety and an industrial PPE specialist who sources and evaluates respiratory protection equipment for industrial and construction buyers.
How We Review
Respiratory reviews restate NIOSH approvals, filter classes, and compatibility exactly as listed — cartridge pairings follow the manufacturer's attachment rules (retainers where required, direct-attach where designed), and every tight-fitting respirator assumes the annual fit test our kits collection now sells. Ratings reflect documented spec, configuration, and value — the basis is stated, not invented testing.
Affiliate Disclosure
WC Safety is an Amazon Associate and earns commissions on qualifying purchases through links on this page. Affiliate relationships do not influence our ratings.
Editorial Standards
Claims are drawn from listing data and published standards. WC Safety does not invent specifications or test results. Report errors to safetynw2012@gmail.com.
Common questions
What does the MSA GMC/P100 Respirator Cartridge — Organic Vapor And Acid G listing actually document?
Best For: organic vapor and acid gas with dust in one cartridge on MSA Comfo respirators.…
What are the alternatives to the MSA GMC/P100 Respirator Cartridge — Organic Vapor And Acid G?
The sibling respirator cartridge options linked in this review, ranked head-to-head in the respiratory protection guides below — start with the buyer's guides for the field view.
Is this the same cartridge as the Advantage GMC/P100?
Same GM-series chemistry, different mount: this one fits MSA Comfo facepieces, the other fits Advantage. They are not interchangeable — cartridge shopping starts with the facepiece in your program, then the chemistry.
When is a gas-only cartridge the better Comfo choice?
When dust is genuinely minimal: the GME and GMT serve multi-gas exposure without the P100 element, at lower breathing resistance and cost. The moment particulates enter the survey, the combination cartridge earns its place back.
What retires this cartridge first in dusty work?
Usually the P100 element, through rising breathing resistance as it loads — often before the sorbent beds reach their scheduled end. Whichever limit arrives first retires the whole cartridge; halves are not replaceable separately.
Does 'acid gas' cover every acid?
No — it is a defined test set (chlorine, hydrogen chloride, sulfur dioxide class coverage per the approval), not a promise about every acidic chemical. Check the cartridge's NIOSH approval against the specific agents your assessment names, and treat ammonia and formaldehyde as excluded.
Related reference
Closely related on this site: msa gmc-p100 vs 3m 60923: ov/acid gas/p100 cartridge comparison, honeywell north 7583p100l vs 3m 60923: organic vapor, acid gas & p100, how to choose a respirator cartridge: complete selection guide, organic vapor cartridge vs acid gas cartridge, best respirator cartridge for acid gas, and honeywell north n75001l vs n75002l: organic vapor vs acid gas.
Why trust WC Safety
WC Safety is an independent, affiliate-supported review site. It is not a retailer: it holds no inventory, takes no orders, and earns only from qualifying purchases through clearly marked links — which never changes what a product is rated to do. Standards language is taken from the regulation text directly, and ratings are reported as the manufacturer publishes them. We run no laboratory and perform no testing of our own. Where published sources disagree, we say so and plan on the conservative figure rather than the flattering one.
Our methodology
Figures come from the regulation and the published specification, in that order. Derated numbers are calculated, not estimated. Nothing here is presented as a measured result, because we measure nothing.
Researched and written by Steven Eaton, editor of WC Safety. Steven holds no safety certification and does not test products; this page compares what manufacturers and regulators publish, with the gaps in that record marked. Last reviewed August 2026.
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