Could you make your own? Actually yes; all you need is a box fan and a HEPA or high-quality filter. There are two types of air purifiers you could make: the first uses a fan and one filter ...

The CAP112 Fan Filter Unit is an FFU (Fan Filter Unit), or it is sometimes called a MCF(motorized ceiling filter). This module is a self-contained Fan Filter Unit that draws air in through a ...

Research on HEPA-14 air purifiers in aged care reveals no significant impact on respiratory infections, though initial phase ...

These units typically use HEPA filters to remove particles like dust, pollen, smoke and pet dander from the air, and many also have activated carbon filters to help combat odors and volatile ...