Feature Pressure relief cum Non return valve with Oxygen Flush. Rotameter Unit – 9” Inches Oxy Locked N2O Supply. Distance Piece O2 & N2O gas inlet point each 1 No Standard Magill’s Circuit All Rubber Antistatic Tested Full Unit Made in Stainless steel 304 Material Monitoring accessories trayProvision for – Hypoxic Guard, Circle Absorver & 10 Liter w / c Cylender Facility (all are optional at extra cost)