Specification Brand : SunMelt BulletPoint1 : Pressure gauge made of thickened glass with clear scales. Pressure reducing valve is made of copper, durable and wear resistance. BulletPoint2 : A filter in the oxy-gen cylinder to filter out foreign matter, making it se-curer to use. BulletPoint3 : Size: 11.2"L x 5.5"W, external thread G5/8", Oxy-gen output can be adjusted by connecting most cylinders, no need to worry about wasting too quickly. BulletPoint4 : suitable for emergency oxy-gen supply, home inhalation care, plateau, can also be used for industrial welding, scientific research, etc. BulletPoint5 : Easy to install, bottle can be removed and washed when it is dirty. Color : Defult ExternallyAssignedProductIdentifier : 8419391859623 FinishType : Finish IncludedComponents : inc ItemName : Gas Flowmeter Absorber, Buoy Type Inhalator Oxy-gen Pressure Regulator, External Thread G5/8" ItemPackageDimensions_Height : 8 centimeters ItemPackageDimensions_Length : 21 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : welding-gas-regulators Manufacturer : SunMelt Material : Copper NumberOfItems : 1 PartNumber : 13515656 PowerSourceType : PowerSource ProductDescription : Adjust the variable inlet pressure to a more stable outlet pressure, won't let oxy-gen be wasted. Made of high-quality materials, long-lasting, not easy to rust, and escort your health. The pressure reducing valve can adjust the flow arbitrarily. Provides the convenience at home for elderly people or handicapped.