DreamStation 2 Reusable Pollen Filter

*This filter is for use only in the Philips Respironics DreamStation 2. Pollen Filter Design: This washable pollen filter provides filtration that may enhance comfort without increasing noise or changes in efficacy. This filter screens out normal household dust and pollens. You may clean this filter every two weeks with water Remember to replace every 6 months. OEM Part number 1142687 1 Filter per pack