1. High quality rubber hose, good toughness, high pressure resistant, anti-aging. 2. Sturdy brass connector, not easy to corrode, good stability. 3. Precision machined threads ensure firm connection. 4. High flexibility hose, can be bent randomly without deformation. 5. Suitable for air, compressed air, argon, nitrogen and carbon dioxide. Specification Item Type: Rubber Hose inert gas Material: rubber + brass Nut thread: 1/4 inch Maximum 20 bar Winter festival at -30° Pipe inner diameter: 6.3mm Pipe wall thickness: 3.5mm Applicable gas: air, compressed air, argon, nitrogen, carbon dioxide Package list 1 x Hose