These filters come in matched pairs and are disposable. For best performance they should be changed regularly when soiled. (Filter pairs may be pink-and-yellow or white-and-yellow depending on the time of manufacture.)
These two-color filters and are compatible with all ResMed S8, S7 and Tango Series CPAP & BiLevel machines.
These two-color HypoAllergenic filters and are compatible with all ResMed S8, S7 and Tango Series CPAP & BiLevel machines.
ResMed's H4i (also called the HumidAire 4i) Integrated Heated Humidifier offers some great improvments on the original HumidAire 3i design including a larger water chamber, a larger heating plate, and a more robust design with metal reinforcements. The H4i integrates seamlessly with all S8 and S8 Series II CPAP/VPAP machines.
ResMed's DC-12 Converter allows you to operate S8 CPAP or BiLevel machines from 12 or 24 volt DC power sources like the "cigarette" style sockets found in most cars, boats and other vehicles.