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.
Posted January 11, 2012. Lately i've been wondering how safe it is to TIG weld in a Hanes short sleeve T-Shirt. I use welding sleeves that pull up under my short sleeve shirt and then thick rubber gloves over the sleeves. I've been doing this for years and no burns.