Heat Moisture Exchange Unit for Z1 CPAP Machine

This is a replacement Heat Moisture Exchange Unit for Z1 CPAP Machine for use with the Z1 Travel CPAP machine. The Heat Moisture Exchange Unit or HME unit takes the heat and moisture from the exhaled air and returns it to the air stream for inhalation.The HME is connected between the mask elbow and the long tube which goes to the Z1 machine. The wider opening connects to the mask and the thinner opening connects to the long hose of the machine.Manufacturer testing has shown that this HME unit can be used for up to seven nights before being replaced.