PÜRDOUX Respironics DreamStation Disposable UItra Fine Filter (5 Pack)

The Philips Respironics Dreamstation comes with a reusable pollen filter which is washable and should be kept clean on a regular basis. There is also a disposable ultrafine filter which is placed over the top of the washable filter. The washable filter will last for up to 6 months, and the disposable filter is not washable and should be replaced monthly to protect the washable filter and the machine.

The ultrafine filters come in a pack of 5 and will last for approximately 5 months

These are located under the flap on the right hand side of the machine