I recently purchased a Harbor Frieght Descicant filter for my SC50P. Now I get a 25 PSI pressure drop. I am getting old so I do not recall what the pressure drop was before I added the HF Filter. Has any one experienced this? My Compressor is 5 HP 80gal tank so it is definatly not a supply pressure issue. On the SC50P I have an Inline water seperator then the Regulator (comes with the unit) set to 60 PSI currentlyand then the HF filter.