Free Express Shipping $99+Duties Included — No SurprisesShips Fresh from Korea
KF94 vs KN95 — and where do surgical masks fit in? These labels get mixed up constantly, but they come from different countries and mean different things. Here is a plain-language comparison so you can pick the right mask for your day, without the confusion.
First: these are different countries' standards
The biggest source of confusion is assuming these are interchangeable grades. They are not — each is a separate national classification, tested its own way:
- KF94 — the Korean standard ("Korea Filter 94"), certified by Korea's Ministry of Food and Drug Safety (MFDS).
- KN95 — the Chinese standard (GB2626), tested under China's rules.
- Surgical mask — a flat medical mask graded by fluid resistance and bacterial filtration, common in clinics worldwide.
So when someone asks "is KF94 the same as KN95?", the honest answer is no — they are comparable in intent but certified under different systems. For the full breakdown of the Korean grade, see What is a KF94 mask?
KF94 vs KN95 vs surgical: side by side
| KF94 | KN95 | Surgical | |
|---|---|---|---|
| Origin | South Korea (MFDS) | China (GB2626) | Various / medical |
| Filtration target | ≥94% of test particles | ≥95% of test particles | Droplet & bacterial focus |
| Typical shape | 3D fold / bird-beak | Cup or fold | Flat pleated |
| Facial fit | Snug, shaped seal | Snug, varies | Loose, gaps at sides |
| Comfort for long wear | High (roomy 3D) | Moderate | High but loose |
| Best for | Daily wear, dust & haze | Daily wear | Clinical, brief use |
Filtration figures refer to each standard's own test method and are not directly equivalent between systems.
How they actually feel to wear
Korea
KF94
A shaped 3D mask with a snug seal. Bird-beak versions add a roomy air pocket so fabric stays off your lips — easy to talk and breathe for hours.
China
KN95
Often a cup or fold shape with a close fit. Filtration is high, but cup styles can feel warmer and bulkier over a long day.
Medical
Surgical
Light and breathable, but the flat shape leaves side gaps and the fabric sits right on your lips. Best for short, clinical-style use.
So which should you wear?
In the KF94 vs KN95 vs surgical comparison, the deciding factors for most daily wearers are not the label on the box — they are fit, comfort, and how long you will wear it:
- All-day comfort & talking: a 3D KF94, especially a bird-beak fit. The air pocket is the difference-maker — more in why bird-beak masks are more comfortable.
- Dust & haze season: a higher-filtration KF94. See our haze & yellow dust guide.
- Quick errands / light wear: a surgical or KF-AD style is light and breathable.
- Long flights & travel: a light, foldable KF94 packs small — see the travel mask guide.
A note on fit
No matter the standard, a mask only performs as well as its seal. Side gaps reduce any mask's effectiveness, which is why a well-sized 3D mask often feels better in real life than a higher-rated one that does not fit your face.
Shop AirDays KF94
AirDays makes 3D bird-beak KF94 masks in Korea by COOS Co., Ltd, shipped worldwide with duties included — no surprise customs fees. A few popular picks:
KF94 Bird-Beak Mask — Medium
from $7.99 / pack
KF94 Slim Fit Mask — Medium
from $66.99 / pack
KF-AD Anti-Droplet Mask — Large
from $37.99 / pack
Frequently asked questions
Is KF94 better than KN95?
In the KF94 vs KN95 question, neither is simply "better" — they are different national standards with similar filtration goals. The bigger real-world factor is fit and comfort. A well-fitting KF94 you will actually keep on all day often beats a higher-rated mask that fits poorly.
Is a surgical mask as good as a KF94?
Surgical masks are light and breathable but have a loose, flat fit with side gaps, so they filter less in everyday use than a snug 3D KF94. They are best for short clinical-style wear.
Can I compare KF94 and KN95 percentages directly?
Not exactly. Each standard uses its own test method, so a "94%" and a "95%" are measured differently and are not a straight comparison.
Which is most comfortable for all-day wear?
A 3D KF94 — particularly a bird-beak design — tends to be the most comfortable, because the air pocket keeps fabric off your lips and makes breathing and talking easier.
Keep reading
This article is for general informational purposes only and compares product standards and features. It is not medical advice and makes no claim to prevent, treat, or cure any illness. Standard names (KF94, KN95) refer to their respective national certification systems. Always follow guidance from your local health authority. AirDays KF94 masks are made in Korea and certified to the KF94 standard by Korea's MFDS.
