Covidien Argyle - 14 Fr Suction Catheter with Chimney Valve (Straight Packed) provides a chimney style valve with a large opening on the control vent to help provide high airflow and efficient suctioning. Staggered and opposite eyelets reduces potential for a blocked suction. Sterile, single-use, disposable catheter. Formerly Kendall. Currently manufactured by Medtronic. Materials: Connector is polyethylene and tube is PVC. Length: 21". Straight Packed. Each, box of 50.