F11-SF F11-PF F11-HF F11-UF F11-CF Air Filters for SPX flow

SF is Bulk Liquid Separator 
PF is General Purpose Filter 
HF is High Efficiency Oil Removal Filter 
UF is Ultra High Efficiency Oil Removal Filter 
CF is Oil Vapor Removal Filter 

The Quality Testing Equipment is Germany CS 0.1. 
The filter Material is Lydall 9866 fiberglass.