The NAVAC NF43 Premium Oil Mist Filter is for use with the NP12DM or NP12DA1 Vacuum Pump and allows for efficient contaminant capturing with the advanced filtration technology. When used with the NP12DA1, this filter is for non-ammonia applications only. This filter returns the oil back to the pump for maximum utilization and aids in maintaining a cleaner workspace. The industrial-grade filter materials offer reliable performance while the easy-to-install and easy-to-replace design allows for easy maintenance.