Bobcat outer air or primary element, housed in a cylindrical air cleaner Resin-treated cellulose media corrugated to maximum depth for a greatly increased air filtering surface Precise channels for better airflow Evenly spaced pleats for optimum contaminant-holding capacity Closed end urethane design prevents the possibility of moisture-related rusting Replace every 1000 hours Easy to install Due to engineering standards, some parts are updated or changed and are assigned a new part number. Previous part number was 7373981. This part is the direct replacement.
