Direct from a Authorized Respironics DealerThese
original Philips Respironics brand white ultra fine fiber filters (with
integrated light blue carrier as shown) are designed for use with all
DreamStation Series CPAP/BiPAP Machines. They are an optional accessory
used to improve overall air filtration on DreamStation machines. Ultra
Fine filters are disposable and should be changed regularly when soiled.Usage: In
use this filter snaps onto the base of the DreamStation's Reusable Foam
Pollen Filter which is available elsewhere in our store. The light blue
plastic carrier is permanently attached to the filter. It should not be
detached.Compatibility: All
DreamStation Series CPAP Machines, DreamStation CPAP, DreamStation CPAP
Pro, DreamStation Auto CPAP, All DreamStation Series BiPAP Machines,
DreamStation BiPAP Pro, DreamStation Auto BiPAP