The vent is in good working order. The unit was manufactured in 2007 year. The vent comes with mains power supply, O2 hose and breathing tube with valve. Battery is also in good condition.The item "Drager Oxylog 3000 vent in good working condition" is in sale since Friday, December 15, 2017. This item is in the category "Business, Office & Industrial\Medical/Lab Equipment\Other Medical/Lab Equipment". The seller is "agregson5" and is located in London. This item can be shipped worldwide.