
This is a box of thirty single-use cotton liners for the following ResMed and Fisher & Paykel Nasal CPAP Masks:Activa/Activa LTAirFit N10Mirage MicroSoftGelSwift FX NanoUltra Mirage IIEson FlexiFit 405/406**Respironics Wisp-small liner for L/XL Masks****Mirage FX-S/M liner for Standard/Wide/For Her ...