-Resin-treated cellulose media corrugated to maximum depth -Precise channels for better airflow -Spin-on style reduces contamination risk and is easy to service -Pleated media to maximize contaminant holding capacity for a longer filter life -Spiral center tube provides greater flow area with higher collapse strength -Heavy-duty metal housing for superior durability and protection -Hot melt spacing and wire backing for optimum use -Synthetic filter media helps extend service life
