Breas Z2 Auto HME (Heat Moisture Exchange) oxygen tank holder Uninterruptible Power Supply (UPS) Function:

Uninterruptible Power Supply (UPS) Function: Uninterrupted sleep when power outages occur while using it with CPAP devices

When it comes to effective sleep therapy

For the best results

EverFlo Oxygen Concentrator

and nice white storage box

Breas Z2 Auto HME (Heat Moisture Exchange) oxygen tank holder Uninterruptible Power Supply (UPS) Function:Heat Moisture Exchanger (HME) The disposable HME works by capturing moisture as you exhale and provides it back to you as you breathe. The HME does not use any electricity or complex moving parts and avoids the problems encountered with electrical humidification systems. To install the HME, connect the large diameter end of the HME to your mask and the smaller diameter end to your CPAP Tube. Be sure both connections are fully seated and secure. Store