Philips Respironics DreamStation GO Reusable Filter, 2 Pack

The DreamStation GO reusable pollen filter efficiently captures dust, pollen, mold spores, pet dander, and more. The 100% polyester filter is durable and reusable. The reusable filter is 88% efficient at filtering particles at 7-10 microns. The filter should be rinsed with warm tap water every 30 days or sooner. Place the filter back in the DreamStation GO Travel CPAP machine once it is completely dry.