Category: Filter Media

HEPA Filters vs ULPA vs ASHRAE

To filter out harmful particulate and carcinogenic fumes, fume extractors and air purification systems utilize high efficiency HEPA, ASHRAE and ULPA filters to remove very small particles from the air. HEPA, ASHRAE, and ULPA filters are made of a complex web of fibers composed of dense glass1. The filters are pleated similar to folding paper… Read more »