DreamStation2 Humidifier Lid ONLY BiPAP Unlike standard machines

Unlike standard machines

Easy to Assemble and Clean: The DreamWear Nasal Mask is designed for easy assembly

Air pressure is delivered upward into both nostrils simultaneously — the cushion acts as a cradle beneath the nose rather than a perimeter seal around it

The ultra-fine disposable filter is the second element

DreamStation2 Humidifier Lid ONLY BiPAP Unlike standard machinesThis is a replacement lid for the DreamStation 2 humidifier chamber, compatible with the DreamStation 2 CPAP, DreamStation 2 Auto CPAP, DreamStation 2 Advanced, and DreamStation 2 Auto Advanced. It is not compatible with the original DreamStation or DreamStation Go the humidifier chambers on those machines have a different geometry, and the lids are not interchangeable. If you are unsure which generation you have, check the model name printed on the