Medicare allows for mask cushion replacement every three (3) months, and a complete mask system replacement every six (6) months. CPAP manufacturers and vendors suggest these replacement schedules as well. In our experience, most mask cushions begin to deteriorate after about six months of use.
Hereâs what you do: 1  Figure out the length that you want your finished sleeve to be. On the outside of the shirt, mark that spot with a line. 2  Using a see-through ruler or regular ruler, mark a line 1 Â½â underneath the first line. Use the ruler to continue that line across the sleeve. 3  Repeat on the other sleeve.  Cut on the second line you drew.
Thatâs what I expect to have once they start opening in and around this area. Now letâs say you want to have the sleeves shortened or lengthened. Thatâs going to cost you approximately $25 to $35 to have those sleeves shortened or lengthened.The exception to this is if you have working buttonholes. Now, you can usually adjust about half an inch on working buttonholes and no oneâs really going to notice too much.hatâs what I expect to have once they start opening in and around this area. Now letâs say you want to have the sleeves shortened or lengthened. Thatâs going to cost you approximately $25 to $35 to have those sleeves shortened or lengthened. The exception to this is if you have working buttonholes.