Surgical Masks Type I, II and IIR: The Standard Differences Explained Concisely
Guido KerberShare
Note: This article refers to European/German standards (DIN EN 14683:2019) and practices that primarily apply in Germany and the EU. Requirements may vary in other countries.
Surgical Masks Type I, II and IIR: The Standard Differences Explained Concisely
Last updated: August 24, 2026
Every surgical mask package carries a small but important label: Type I, Type II, or Type IIR. This classification comes from the European standard DIN EN 14683:2019 and describes how effective a medical face mask actually is - including bacterial filtration and fluid resistance. Knowing what these type designations mean helps you choose the right mask for the right purpose. This guide explains the differences concisely and practically.
What Does DIN EN 14683:2019 Regulate?
DIN EN 14683:2019 is the European standard for medical face masks. It sets out the test criteria a mask must meet to be placed on the market as a Class I medical device - including Bacterial Filtration Efficiency (BFE), breathing resistance, and, for certain types, fluid resistance against splashes. Unlike FFP2 respirators, surgical masks under EN 14683 are primarily designed to protect others: they reduce the droplets released by the wearer.
The Three Types in Detail
Type I is the basic variant with a bacterial filtration efficiency of at least 95%. According to the standard, it is intended mainly for patients, for example to help contain the spread of infection, as well as for non-clinical use.
Type II achieves a higher bacterial filtration efficiency of at least 98% and is intended for use by medical staff in clinical settings.
Type IIR meets the same filtration requirements as Type II (BFE ≥ 98%) but additionally features a fluid-resistant layer. The "R" stands for "resistant": these masks withstand a splash pressure of at least 16 kPa and are therefore suitable for situations where contact with blood or bodily fluids is possible, such as in an operating room.
Standard Criteria at a Glance
| Criterion | Type I | Type II | Type IIR |
|---|---|---|---|
| Bacterial Filtration Efficiency (BFE) | ≥ 95% | ≥ 98% | ≥ 98% |
| Breathing resistance | < 40 Pa/cm² | < 40 Pa/cm² | < 60 Pa/cm² |
| Fluid resistance | not required | not required | ≥ 16 kPa splash pressure |
| Typical use case | Patients, non-clinical settings | Clinical staff | Operating room, splash contact possible |
Which Type Do You Need and When?
For everyday use, in waiting rooms, or in non-clinical settings, Type I or Type II is generally sufficient. However, as soon as splashes of blood, secretions, or other bodily fluids are possible - for example during surgical procedures, in dentistry, or in certain nursing activities - hygiene requirements generally call for Type IIR. When in doubt, the workplace risk assessment or the hygiene policy of the respective facility determines which type is required. If you're generally unsure whether a surgical mask or an FFP2 respirator is the right choice, you'll find guidance in our FFP2 vs. surgical mask comparison (German content).
Frequently Asked Questions About Surgical Masks Type I, II and IIR
What is the main difference between Type II and Type IIR?
Both types have the same bacterial filtration efficiency of at least 98%. Type IIR additionally has a fluid-resistant layer that withstands a splash pressure of at least 16 kPa - Type II does not offer this protection.
Is Type I sufficient for private use?
Yes, for non-clinical everyday use, Type I with a bacterial filtration efficiency of at least 95% is considered sufficient according to the standard.
Is Type IIR automatically the best choice?
Not necessarily. Type IIR offers additional splash protection, but is mainly useful where actual contact with fluids is possible. For other applications, Type I or II is sufficient and functionally equivalent in filtration performance.
Does a surgical mask also protect the wearer?
Surgical masks under EN 14683 are primarily designed to protect others, i.e. to shield people from the wearer's droplets. For personal protection against airborne particles, FFP2 respirators under EN 149 are the more suitable choice.
Conclusion
The type designation on the package tells you at a glance what a surgical mask is suited for: Type I for everyday use, Type II for clinical staff without splash contact, Type IIR for situations involving fluid contact. All our surgical masks are certified to DIN EN 14683:2019 and made in Germany. Discover our full range of medical surgical masks or check out our bestsellers.
