Main Flow Clear Adult Bacterial Viral Filter, 22mm I.D. x 15mm I.D./22mm O.D.
Bacterial Efficiency 99.999+%
Compatible with all CPAP, Bi-PAP and Auto-PAP Machines and Masks. This filter cleans the air as it leaves a CPAP or Bi-level machine. It is used in conjunction with the machines built in inlet filters to provide very clean air.
