Specification: Material :Brass,Chrome plated Can be fixed on both sides of clinic observation room or operation room Can be connected with the central oxygen tube Be convenient to manage centrally the oxygen cylinders in the hospital or patient ward and it is mainly used for heart weakness, breathing organ diseases, and recovery of patients after operation. CE and ISO certified Samples can be available Packing: Neutral packing; OEM is available Lead time: within 3-4 weeks / depending on quantity Sainty is always your best option.