The product is a lot of 33 disposable filters made specifically for the Philips Respironics Dreamstation 2, model 1142828-6. These filters are designed by Spirit Medical Filters and are suitable for use with the Dreamstation 2 CPAP APAP BIPAP machine. Made in the USA, these filters ensure clean and fresh air for a comfortable and effective CPAP therapy experience. ******* 2 of THE PACKAGES ARE OPENED BUT NOT USED
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