ProTeam's ProLevel Filtration system provides advanced protection against there introduction of pollutants back in to an environment. ProTeam's Intercept Micro Filters have 21% more filtration area than non-pleated filters. Fully laminated inner liner eliminates shredding. Dual layered construction captures fine particles, improving Indoor Air Quality. Intercept microbial treatment helps contain odors and prevent the growth of mold and bacteria.