Warranty: 1 year Certification: CE, ISO, Free Sales Certificate, DECLRATION OF CONFORMITY, CERTIFICATE OF ORIGIN Customized support: OEM Place of Origin: China Brand Name: OEM Model Number: EG-001 Product name: Medical Oxygen Regulator With Flowmeter and Humidifier Suitable gas: Oxygen Gas Material: Aluminum Application: Hospital Inlet connection: G5/8 MOQ: 100pcs Flow range: 1 -15L/min Outlet connection: 6-8mm Hose Barb Humidifier Bottle: 15L Delivery time: 2-7 days