Purolator's HE 40 pleated filters are made with 100% synthetic fibers providing mechanical efficiency to achieve a Merv 8 rating with low resistance to airflow. The media area and initial air flow resistance have been carefully balanced to withstand flow capacity up to 625 fpm while maximizing dust holding capacity. The 4" deep filters are designed with individual die cut fingers that separate and stabilize each pleat. Consistent pleat alignment enhances dust holding capacity for longer service life.

Best Used For...

• Expanded Metal Support Grid
• Heavy-Duty Double Wall Constructed Frame
• High Dust Holding Capacity
• Moisture Resistant