Weinmann MEDUMAT Easy CPR Instructions For Use Manual page 23

3 Description
Commercially available HME breathing system filters (HME = Heat
Moisture Exchange) with standard connections (15/22 mm) can be
attached to the inspiration side of the patient valve to filter and air-
condition the respiratory air. The breathing system filter is not
included in the purchase of the device.
3.3.7 Testing bag
2
1
3-10 Testing bag
The testing bag (1) serves to check the functionality of the device
prior to use. During testing, the testing bag simulates the human
lung.
The connector (2) is connected to the patient valve for the function
check.
CPR
MEDUMAT Easy EN 23