Abatement Technologies-H1901 1In Prefilter Pad is a high-efficiency first-stage replacement pre-filter engineered for portable air scrubbers and negative air machines. Constructed with 1-inch non-woven synthetic polyester media, this pre-filter pad captures coarse dust, lint, and gross particulate matter to protect downstream secondary and primary HEPA filters. Designed to maintain optimal airflow with minimal initial resistance, it helps maximize equipment performance and filter longevity in healthcare, remediation, and containment setups.
