Ventilator Circuit- Corrugated, flexible and lightweight tubing made of high quality plastic. Transparent for easy monitoring of water build-up or blockages. Circuits provides a better airflow and are cost effective. Standard connectors for secure fitment with high performance. Sterile, latex free and individually packed. 22 mm cap with 22 mm corrugated tube. 15mm male/ 22mm male and 15mm female angle connector with luer port.