This Inogen G5 offers the most oxygen per kilogram on the market today that makes it a standout portable oxygen concentrator in Australia. It comes with an intelligent pulse dose delivery system which provides varying flow settings from 1-6 and is designed for 24-hour use. To know more features, visit our website today - https://mobilitycaring.com.au/inogen-g5-portable-oxygen-concentrator-8-cell-battery-included/