These are the replacement filters for the Z1 & Z2 Travel CPAP Machine. They come in a pack of 2 and should be disposed after 60-90 days. These filters are not washable.
Respironics Dreamstation Power Supply (12V) (80W)
$125.00
Expion48PRO APEX Back Up Power Supply
$685.00
Z2 & Z1 CPAP Filter (2 Pack)
$13.00