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These Reusable Pollen Filters are made of blended synthetic fibers in a gray carrier. They are compatible with DreamStation 2 CPAP & BiPAP machines.
DreamStation 2 machines should never be run without the filter.
These filters are reusable and should be cleaned after 2 weeks of use or sooner if needed. They should be replaced every 6 months of normal use, or sooner if they appear damaged.
Do not detach the filter material from the gray plastic filter housing. They are not designed to be detached from one another.