Welding cart air hose reel 1. CE, GS Approval 2. Hose: 1/ ... rubber hose 3. green for oxygen, red for acetylene Welding cart air hose reelmodel no. :D3105202.0081/4"diameter oxygen and ... acetylene20BarD3165202.01010m1/4"green for oxygen, red for acetylene20Bar Welding cart air hose reel