Sunset Healthcare Solutions Heat Moisture Exchanger for Neonatal, In-Line.The Sunset Neonatal HME combines industry-standard moisture output and lower resistance to flow than others, at a great value.- TV Range (ml):15-50- Moisture Output: 30mg H2O/L @ 0.2L VT- Weight: 4.5g- Resistance to Flow: 0.5cm H2O @ 10 lpm- Dead Space: 2.5 ml