This item is now a special order, and requires 5 business day turnaround if ordered.
You can also upgrade to the Swift II Mask Frame System (frame, slide clip & cap) which allows the use of the Swift II cushions - all sizes are the same expect that the exhaust is through the frame, not the cushion.
Part # is 60536, cost is $44
http://www.cpapaustralia.com.au/shopping?search_text=60536&search.x=52&search.y=17
Silicone cushion or pillows for the popular Resmed Mirage Swift mask. These cushions have the exhaust vents located in the cushion.
Size mark is embedded into cushion. Please check before ordering to ensure proper fit.
Note: These cushions are designed for the older Swift mask, NOT the Swift II mask.