Philips system one fine filters are disposable are ultrafine CPAP filters are for the Philips Respironics system one range of CPAP machines they will also fit the Philips 50 & 60 series CPAP machines. This pack of six filters is to be used with your Philips 50 series sleep apnea device . The disposable filters will block finer particles.
These Philips System One CPAP machine fine filters replacements are throw away disposable filters they should be changed over every 30 days or earlier if it shows any sign of damage or they appear dirty.
Which way does the fine filter go in?
The ultra fine white filter should be placed into the filter area with the logo side looking at you that has “Philips Respironics” written on it with the company logo facing you and then the smooth plain all white side should be facing the device.
PLEASE NOTE: These CPAP ultra fine filters must be replaced on a monthly basis and cannot be washed or cleaned.