These are the replacement Washable/Reusable Filters for the Dreamstation Go Auto CPAP Machine. They come in a pack of 2 and should be washed every week. Every 3-6 months they should be replaced.
Respironics Dreamstation Go Tubing (12mm Micro Lite Tubing)
$59.00
Respironics Dreamstation Go Ultra Fine Disposable CPAP Filter (6 Pack)
$38.00
Respironics Dreamstation Go Washable/Reusable CPAP Filter (2 Pack)
$18.00