AirLife Secure™ 
 | Item | Description | Weight | Dead Space | Resistance 30 L/min | Resistance 60 L/min | QTY | 
|---|---|---|---|---|---|---|
| 1157 | BALLARD 500 Pediatric T Tracheostomy Heat and Moisture Exchanger | 4 g | 12 mL | 0.25 L/min | No | 50 | 
| 1190 | BALLARD 1000 Tracheostomy Heat and Moisture Exchanger | NA | 14 mL | NA | 0.2 L/min | 50 | 
| 151 | BALLARD 500 Heat and Moisture Exchanger | 6 g | 17 mL | 0.8 L/min | 2 L/min | 50 | 
| 150 | BALLARD 1500 Flex Heat and Moisture Exchanger | 20 g | 90 mL | 0.5 L/min | 1.4 L/min | 50 | 




