Product Description 1, Made of clear, non-toxic PVC 2, 90 degree curvature 3, High volume, low pressure cuff 4, Pilot balloon 5, Valve for luer-lock syringe tips 6, Semi-seated 15mm standard connector 7, X-ray opaque line throughout the length of the tube 8, With introducer and 240 cm length neckband 9, With 90 degree angled swivel connector (Ref. 52112000) 10, Size from ID5.0-9.0mm (at intervals of 0.5mm)