Flexicare Auto Fill Humidification Chamber Under normal circumstances inspired gas is warmed, filtered and moistened during its passage through the upper airways, a process which is bypassed by endotracheal intubation and tracheostomy exposing the lungs and airways to dry cold gas giving rise to a number of adverse effects including: An increase in Mucus Viscosity, Depressed ciliary activity and Obstruction of the airways by tenacious secretions.
