HEPA filters are effective because they are designed to remove all airborne particulates,including microorganisms down to
A)0.01 micrometers.
B)0.3 micrometers.
C)1 micrometer.
D)10 micrometers.
E)10 nanometers.

Question

Quizplus · Accepted Answer

HEPA filters are designed to capture at least 99.97% of airborne particles down to 0.3 micrometers (µm) in diameter, which includes most bacteria and viruses, making them highly effective for air purification.

HEPA Filters Are Effective Because They Are Designed to Remove