What filters do you need?

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Which filters do you need?
It is virtually impossible to see all pollutants in the air. Seeing the exact difference between the qualities of two air filters is also very difficult. This lab station uses
smoke (an extremely high concentration of particles) to visualize the difference between two air filtration systems. This allows you to see the difference between
filtration efficiency and how a low-quality product performs over time compared to a high-quality product. Electrostatic charged synthetic filters are typical low-cost filters but they lose their performance after a short time.

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