Allows addition of oxgen to CPAP masks without available oxygen tube nipple.
Fits onto all standard tubes, at end nearest mask. (Use small elastic bands to hold oxygen tube to cpap tube for best results.)
May also be used for adding pressure measurement tube where required.
Fits with Oracle 452 ,Zest, Zest Q, HC405, HC 407, HC431,Eson masks Fisher & Paykel.