We have two systems both connected to the same gas supply. Last month we had to change one of our gas filter systems as it was saturated, the first time we have had to change it in 2 years. Yesterday the same instrument needed a replacement filter again, but I was unable to detect any leaks. Air & water check passed, same as the leak restriction test. I do not believe i installed it incorrectly as i followed the touch screen steps on our 8890 system.
Does anybody have any idea? Is it just a bad lot of filters?