ITEM NAME:Oxygen Flow Meter Flowmeter with Control Valve for Oxygen Air 0-5L Description: - Working pressure: 0.1 (MPa) - Applicable medium: Oxygen - Working temperature: 20 (℃) - Scope: Widely used in household oxygen, ozone machine - Light weight, not fragile, corrosion-resistant, long service life Specification: - Nominal diameter: 6 (mm) - Accuracy class: 4 - Material: Copper, Glass Package Included: 1 Piece of Oxygen Air Flow Meter.Scope: Widely used in household oxygen, ozone machine. - Accuracy class: 4. - Light weight, not fragile, corrosion-resistant, long service life.