Is an FFP2 mask 'the same as' an N95?

Short answer: Close but not identical, and not interchangeable for compliance. N95 (NIOSH, US) requires ≥95% filtration of a sodium-chloride test aerosol; FFP2 (EN 149, EU) requires ≥94% but adds total-inward-leakage limits and an oil-aerosol test. FFP3 (≥99%) sits above both. US workplaces need NIOSH-approved respirators; EU workplaces need CE-marked EN 149 devices.

N95 vs FFP2 vs FFP3: US and EU Respirator Ratings Compared

The three ratings answer the same question — how well does a disposable filtering facepiece protect the wearer — under two different legal systems. This guide maps the classes to each other, decodes the printed markings, and walks a purchasing decision when the cheap listing shows the wrong continent's certification. For the US classes in depth see respirator filter types explained and the N95 vs KN95 vs P100 guide; China's KN95 (GB 2626) is a third system again.

Why this matters.
Compliance is jurisdiction-specific: OSHA-covered US employers must provide NIOSH-approved respirators, so a CE-only FFP2 doesn't satisfy a US respiratory-protection program no matter how well it filters — and counterfeit 'dual-rated' masks exploit exactly this confusion.

Part 1: What each rating actually tests

N95 is a NIOSH approval class under 42 CFR Part 84: the filter must capture at least 95% of a charge-neutralized sodium-chloride aerosol at 85 L/min. The 'N' means not oil-resistant — the same letter logic as the P95/R95/P100 classes. FFP2 and FFP3 come from Europe's EN 149, which tests filter penetration with both sodium chloride and paraffin-oil aerosols and — critically — measures total inward leakage on human subjects: roughly ≤8% for FFP2 and ≤2% for FFP3 in laboratory testing. FFP2 requires ≥94% filtration, FFP3 ≥99%. So EN 149 bakes a fit-related requirement into certification, while the US system handles fit separately through mandatory workplace fit testing and seal checks under OSHA 1910.134.

Part 2: The honest equivalence map

For everyday selection, N95 ≈ FFP2: 95% vs 94% filtration is a wash, and both are the standard dust/aerosol class for construction, woodworking, and general industrial work — the roles our best N95 guide, construction picks, and woodworking dust-mask guide cover. FFP3 has no direct single US equivalent: its 99% filtration sits between N99 and N100/P100, and Europeans reach for FFP3 where a US hygienist would spec a P100 filter on a reusable facepiece. The equivalence is functional, not legal — no employer can substitute across systems for compliance purposes.

Functional equivalence: N95 ≈ FFP2; FFP3 sits between N99 and P100. Legal acceptance follows the jurisdiction, not the percentage.

Part 3: Reading the markings — and spotting fakes

A genuine N95 is printed with 'NIOSH', the approval number (TC-84A followed by four digits), the manufacturer, model, and the class — verifiable against the NIOSH certified-equipment list; our counterfeit-spotting guide walks it step by step. A genuine FFP device is printed with 'EN 149:2001+A1:2009', the class (FFP2 or FFP3), a CE mark followed by the four-digit notified-body number, plus 'NR' (single shift) or 'R' (reusable), and optionally 'D' for the dolomite clogging test. Red flags in either system: no standard printed on the mask itself, 'FDA approved' as the headline claim, or one product claiming N95 and FFP2 and KN95 simultaneously with no approval numbers. Background on the agencies: what NIOSH is and NIOSH vs OSHA.

Part 4: Which to buy where

US workplaces: NIOSH-approved only — N95 for general dust and non-oil aerosols, stepping to reusable elastomerics with P100 filters for silica, welding, or lead-class work (see the disposable respirator collection and the wider respiratory range). Canadian workplaces: provincial OHS practice broadly accepts NIOSH-approved respirators, making N95 the default there too. EU/UK workplaces: CE-marked EN 149 devices — FFP2 as the working standard, FFP3 for higher-hazard aerosols. Wildfire smoke and personal use are more forgiving — filtration is filtration, and our wildfire smoke guide applies — but beards defeat every class equally: see respirators with beards. When exposures exceed what a filtering facepiece should carry, move up to half-face or full-face respirators with rated filters.

Worked example: the $12 'FFP2 CE certified' listing on a US jobsite

A US drywall contractor finds FFP2 masks at half the price of name-brand N95s and asks whether they can go in the respiratory-protection program. The decision:

1. Identify the governing rule. The crew works under OSHA 1910.134, which requires NIOSH-approved respirators for required-use programs. Certification system, not filtration percentage, is the gate.
2. Check the printed markings. The masks show CE 2163 and EN 149:2001+A1:2009 FFP2 NR — a legitimate European certification, but no NIOSH mark and no TC approval number.
3. Conclusion for required use. Not acceptable for the OSHA program regardless of quality. For required use, buy NIOSH N95s and verify the TC number against the NIOSH certified list.
4. Where the FFP2s could still serve. Voluntary-use comfort dust scenarios and take-home wildfire kits are defensible uses — with Appendix D voluntary-use provisions observed — but they cannot back a required-use program.
5. Fix the root cause: price. Legitimate N95s in contractor quantities are not expensive — see current picks in the best-N95 guide — and the cost gap disappears at case quantities.

Percentages nearly match; paperwork doesn't. In regulated workplaces, buy the continent your inspector reads.

Frequently asked questions

Is FFP2 equal to N95?

Functionally close: 94% vs 95% minimum filtration, similar use cases. Legally distinct: FFP2 is an EN 149/CE certification and N95 is a NIOSH approval — US required-use programs need NIOSH devices.

What is the US equivalent of FFP3?

There is no exact one. FFP3 requires ≥99% filtration, landing between N99 and N100/P100. US practice typically answers the same hazards with P100 filters on reusable facepieces.

Can I use an N95 in Europe?

For workplace compliance, EU employers need CE-marked EN 149 respirators. NIOSH-only N95s served during emergency derogations, but the standing rule is CE certification.

Does Canada accept N95s?

Canadian provincial OHS practice broadly accepts NIOSH-approved respirators, and N95 is the working default in Canadian construction and industry.

What does the NR or R on an FFP mask mean?

NR = non-reusable (single shift maximum); R = reusable per the manufacturer's cleaning instructions. A 'D' suffix means it passed the dolomite clogging test for extended dusty wear.

Why does EN 149 test with paraffin oil but N95 doesn't?

EN 149 certifies each FFP class against both salt and oil aerosols. NIOSH splits oil resistance into the letter system instead — N (not resistant), R (resistant), P (oil-proof) — so the oil question is answered by the letter, not the number.

What is total inward leakage (TIL)?

An EN 149 test measuring how much aerosol enters around the seal and through the filter on human subjects doing exercises — roughly capped at 8% for FFP2 and 2% for FFP3 in the lab. NIOSH handles the seal question through mandatory workplace fit testing instead.

Are KN95s a third equivalent?

KN95 is China's GB 2626 class at 95% filtration. Quality varies by manufacturer more than the other systems in practice; for US required use it has the same problem as FFP2 — it isn't NIOSH.

How do I verify a genuine N95?

Find the TC-84A-#### approval number printed on the facepiece and look it up in the NIOSH Certified Equipment List; our step-by-step counterfeit guide covers the other tells.

How do I verify a genuine FFP2/FFP3?

Look for EN 149:2001+A1:2009, the class, and a CE mark followed by a four-digit notified-body number printed on the mask itself — packaging-only claims are a red flag.

Do any masks legitimately carry both certifications?

A few manufacturers certify models in multiple systems, but each certification must be independently verifiable (TC number AND CE notified-body number). One mask claiming every standard with no numbers is the classic counterfeit pattern.

Which class for silica dust?

In the US, engineering controls first, then respirators per the silica standard — commonly N95 for lighter tasks but P100-on-elastomeric for heavier exposures. In the EU the parallel escalation runs FFP2 to FFP3.

Which class for welding fume?

US practice: N95 minimum, P100 preferred for extended fume exposure. EU practice: FFP2 minimum with FFP3 common. Ventilation and fume-specific guidance still lead.

Do beards change the comparison?

No — facial hair through the seal defeats N95, FFP2, and FFP3 alike, and both systems' fit logic assumes a clean seal line. Loose-fitting PAPR hoods are the bearded answer in every jurisdiction.

Do these ratings expire?

Masks carry manufacturer shelf lives (straps and foam age even in storage). Certification itself doesn't expire, but an expired-stock mask can fail fit and elasticity — check date codes on case quantities.

Further reading on this site

• N95 vs KN95 vs P100 — the three-way comparison including China's system
• Respirator Filter Types Explained — the full NIOSH letter/number system
• P95 vs R95 vs P100 — oil resistance classes decoded
• How to Tell If an N95 Is NIOSH-Approved — counterfeit spotting, step by step
• Best N95 Respirators (2026) — current verified-approval picks
• Disposable respirator collection — N95/P100 filtering facepieces in stock