Smith Medical part 100/905/340-CH is a single-limb ventilator breathing circuit designed for use with Pneupac® paraPAC® plus ventilators and similar portable respiratory support systems. This single patient use circuit features a corrugated tubing path that connects the ventilator to the patient interface, providing a controlled gas delivery conduit without an integrated PEEP valve. Supplied as 10 circuits per case, this component is intended for clinical, emergency, transport, and hospital respiratory care applications where reliable ventilation tubing is required. Compatible with paraPAC® plus ventilators, this circuit supports pressure monitoring and ventilatory support with minimal dead space.*