Specification Brand : Generic BulletPoint1 : The output is adjustable from 0 to 25 lpm and is indicated by a ball which moves up and down in the tube. BulletPoint2 : The flowmeter regulator is made of brass and came with GA580 adapter. BulletPoint3 : No leakage and super easy to adjust, all the hardware of this flowmeter regulator was tight and passed the leakage test. BulletPoint4 : and accurate, there is cfh for both argon and CO2 on the tube. BulletPoint5 : The tube reads from 0‑60CFH and has large 1 1/2in diameter pressure gauge which reads from 0‑4000PSI. FitType : Universal ItemName : Argon Flowmeter Regulator, Argon Regulator Accurate for Argon Tanks for Industry ItemPackageDimensions_Height : 13 centimeters ItemPackageDimensions_Length : 17 centimeters ItemPackageDimensions_Width : 13 centimeters ItemTypeKeyword : welding-gas-regulators Manufacturer : Generic ModelName : Genericwbvsz4r59m ModelNumber : Genericwbvsz4r59m NumberOfItems : 1 PartNumber : Genericwbvsz4r59m ProductDescription : 1. and accurate, there is cfh for both argon and CO2 on the tube. 2. The output is adjustable from 0 to 25 lpm and is indicated by a ball which moves up and down in the tube. 3. No leakage and super easy to adjust, all the hardware of this flowmeter regulator was tight and passed the leakage test. 4. You can easily turn the adjustment knobs by hand and it is very easy to use every time. 5. Simple to use and easy to read output, for Mig and Tig welding. 6. The flowmeter regulator is made of brass and came with GA580 adapter. 7. The tube reads from 0‑60CFH and has large 1 1/2in diameter pressure gauge which reads from 0‑4000PSI. 8. The flowmeter argon regulator is applicable to most argon tanks.