K2-FM Full Face Liner Fits the following: RESMED: AirFit F10, AirFit F10 for Her, Mirage Quattro, Quattro Air, Quattro FX (M, L), Ultra Mirage. RESPIRONICS: Amara, ComfortGel, ComfortFull 2, FullLife FISHER PAYKEL: Simplus DeVilbiss: EasyFit, EasyFit SilkGel, Innova The RemZzzs Padded Full Face CPAP Mask Liners serve as a shield between the patient's face and the CPAP mask. RemZzzs CPAP mask liners are so comfortable and easy to use, you'll wonder how you ever wore your CPAP mask without them. RemZzzs Disposable Mask Liners are an interface accessory for use with a Positive Air Pressure (PAP) device, including but not limited to CPAP and respiratory masks. The RemZzzs liner's patented design stops noisy leaks while providing an absorbent barrier to the skin eliminating irritation, pressure ulcers on the face and break down on the nose' bridge. RemZzzs Disposable Mask Liners assist patients with device compliance and help patients find success, allowing them to wear their CPAP mask every night and to continue therapy. RemZzzs are 100% cotton, disposable liners which act as a barrier between the patients' skin and the mask.