Anaesthetics India Pvt. Ltd offers Flowmeter Unit for F/A Valve. Anaesthetics India Pvt. Ltd is ISO 9001: 2000, ISO 13485: 2003 certified. The Flowmeter Unit for F/A Valve is a part of the critical care & oxygen therapy equipments. The Flowmeter Unit for F/A Valve is one of the major products used in oxygen therapy in hospitals and nursing homes.