Specification Brand : LuckyHigh BulletPoint1 : Nitrogen Regulator body is made of solid brass BulletPoint2 : The nitrogen regulator gauges protected with a rubber bumper, 2" gauge is big and easy to read. BulletPoint3 : You can adjust pressure by hand easily with the large T adjustment handle. BulletPoint4 : The side gauge measures the Nitrogen pressure in the ac system and displays between 0 - 400 PSI. The top gauge has a 0-4000PSI display that lets you know Nirtrogen gas capacity left inside the tank, so you won't have to worry about running out unexpectedly. BulletPoint5 : Connection Type: with CGA580 inlet connection fitting and 1/4" male flare outlet connection CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 00840338548917 ExternallyAssignedProductIdentifier1 : 0617256123683 ExternallyAssignedProductIdentifier2 : 617256123683 ItemDisplayWeight : 3 ounces ItemName : Nitrogen Regulator with Double Gauges 400 PSI Delivery Pressure 4000PSI Inlet Pressure CGA580 Thread Fittings, 1/4'' Male Flare Outlet Fitting ItemPackageDimensions_Height : 15.8 centimeters ItemPackageDimensions_Length : 9.3 centimeters ItemPackageDimensions_Width : 15.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : welding-gas-regulators Manufacturer : CHENTAITRADING Material : Copper Material1 : Rubber Material2 : Brass ModelNumber : CTA-0143 NumberOfBoxes : 1 NumberOfItems : 4 PartNumber : CTA-0143 ProductDescription : Specifications: Inlet Pressure : 0 - 4000 PSI Outlet Pressure : 0 - 400 PSI Inlet Connection : CGA580 Outlet Connection : 1/4" Male Flare Material : Brass