Pre Filters

A pre-filter is a filtering device that removes large particles from the air before it reaches the main filter, including dust, hair, insects, pollen, and various fibers.

Air purifying equipment outfitted with pre-filters are used in buildings, transports, public areas, and in various workplaces. Pre-filters are also used in respirators.

Types of Pre-Filters

The most common pre-filters are made of fabric or paper products that can be easily cleaned.

Others include:

Pre-filtration screens
Spongy materials
Statically charged collection grids
Activated carbon filters