Philips Respironics Pollen Filters for PR System One/M Series (Black 2pk) Portable Oxygen Sterilization Method: Autoclavable (steam sterilization)

Sterilization Method: Autoclavable (steam sterilization)

Friction-Free Comfort: The ultra-soft exterior minimizes rubbing and chafing

This provides ultimate comfort for users who struggle with a dry mouth

DC Power Supply (car charger)

Philips Respironics Pollen Filters for PR System One/M Series (Black 2pk) Portable Oxygen Sterilization Method: Autoclavable (steam sterilization)Black 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