One person may need 5 cmH2O to keep their airway open, while another needs 15. The wrong setting can cause headaches, bloating, or simply fail to treat your apnea.
You can freely purchase filters, tubing/hoses, water chambers, and chin straps. buy cpap without prescription
Some retailers, like CPAP.com and CPAPnation , sell mask assembly kits. These include the frame and cushion but ship without the headgear. By purchasing the headgear separately, you can often "build" your mask without a prescription. The "Grey Market" Risk One person may need 5 cmH2O to keep