Carex disposable CPAP filters offer a cost-effective solution for your CPAP machine needs. Specifically designed for the Philips Respironics DreamStation 2™ Machines, these ultra-fine filters ensure clean air for easy breathing. To maintain optimal performance, it's advised to replace these filters every two weeks. With 6 disposable filters in each pack, Carex helps safeguard your CPAP, ensuring it operates effectively and keeping your sleep therapy air clean. Regular inspection of filters minimizes infection risks related to sleep therapy. Purchase Carex CPAP filters today for all your CPAP supply essentials. Measures 2.19" x 1".