Abatement Technologies-H161606-99 99.97 HEPA Filter is a high-efficiency replacement filter engineered for portable air scrubbers and negative air machines. Constructed with an injection-molded plastic frame and mini-pleat microglass media, it captures 99.97% of airborne contaminants down to 0.3 microns including mold spores, dust, and particulate matter. Designed with a seamless urethane foam gasket to prevent air bypass, it ensures reliable critical containment across healthcare and restoration environments.