Working Principle of HEPA Filter Box

It is based on the diffusion theory, which indeed is our acquaintance of school age. A multimodal netting is found in a HEPA filter box. Yes, you are completely right. It’s a unique and efficient air filter. The fine mesh permits air to pass through. What’s more, it’ll seize the germs without allowing those unpleasant particles to run away! This is still not it. The marvelous filter will kill them right there. Hey, If you’re curious about its effectiveness against Covid-19, you’ll be pleased to learn that the answer is YES! Yeah, you heard that correctly! It can even catch particles that are smaller than that. Did you know? It has a 0.01-micron efficiency, which is quite exceptional. Isn’t it?