HAPPYDAY KF94 Face Mask

TL;DR

What the lab found

HAPPYDAY KF94 mask measured 99.49% filtration versus all Armbrust-tested masks (n=365).
At 135 Pa, HAPPYDAY KF94 mask had lower breathing resistance than 79.1% of KF94 masks (n=44).
Its construction score of 15 ranked better than 27.3% of all Armbrust-tested masks (n=363).

Lab results

Test results table

HAPPYDAY KF94 independent lab results
Measurement	Result	Status
Overall result	Passed	Passed
Filtration efficiency	99.49%	Pass
Airflow resistance	135.0 Pa	Pass
Construction score	15/25	Lab score
Smell score	20/25	Lab score

Verdict

Why it passed

HAPPYDAY KF94 mask passed because its filtration was 99.49% and airflow resistance was 135 Pa.

Construction

Construction & Materials

The construction score was 15/25 in the Armbrust lab review. This score is kept separate from filtration and airflow so the physical build does not hide the protective result.

Fit notes

How it feels

Airflow resistance measured 135.0 Pa. Lower Pa readings generally mean easier breathing during wear.

FAQ

Common questions

Does HAPPYDAY KF94 mask pass Armbrust's lab test?

HAPPYDAY KF94 mask passed Armbrust's lab test.

What filtration score did HAPPYDAY KF94 mask get?

HAPPYDAY KF94 mask measured 99.49% filtration in the lab test.

How breathable is HAPPYDAY KF94 mask?

HAPPYDAY KF94 mask measured 135 Pa airflow resistance in the lab test.

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