... rubber hose, air hose, rubber hose; Size: 1/4", 5/16", 3/8", 1/2", 3/4", 1"; Working pressure: 300PSI (20Bar); Product name: air rubber hose, air hose, rubber hose, hose ... ; Material: Natural rubber; Size: 1/4", 5/16", 3/8", 1/2", 3/4", 1"; Color ...