Philips Respironics Pollen Filters for PR System One/M Series (Black 2pk) Portable Oxygen This intelligent distribution allows for

This intelligent distribution allows for complete freedom of movement

keeping your airway open while maintaining the lowest

Please note that this headgear is only compatible with AirFit F30i non-magnetic mask

Sterilization Method: Autoclavable (steam sterilization)

Philips Respironics Pollen Filters for PR System One/M Series (Black 2pk) Portable Oxygen This intelligent distribution allows forBlack washable pollen filters For Philips Respironics "M" Series or Philips Respironics System One CPAP Machines. Compatible Machine List: Philips Respironics System One Range 50 Series or 60 Series Philips Respironics M Series Pro Philips Respironics M Series Auto Philips Respironics M Series Bi PAP Auto Philips Respironics M Series Bi PAP Plus