With regular use, your mask cushion as well as other components becomes worn, which may lead to mask leaks and the therapy becoming less effective. If you replace your supplies according to a schedule, you will receive experience more comfort and better therapy outcomes.

The life of your mask cushion or nasal pillows depends on use, the oils from your skin, as well as frequency and cleaning method.  It is always a good idea to inspect your mask routinely- poor care may adversely affect the fit of the cushion and thus performance. Poor performance is often the first clue that your cushion may need replacement. Check regularly for small tears or pinholes, anything that might cause a leak. Household pets have been known to damage cushions by playing with them and so have children, so you may want to keep your mask out of reach.