... : Inner rubber layer, fabric cloth layer, and outer rubber layer air hoseCompose: Inner rubber layer, fabric cloth layer, and outer rubber ... ( Mpa ) Length ( L ) Nominal Size Tolerance 0.3 0.5 0.7 M Tolerance (mm) Layer s 13 ±0.8 2 2 2 20 ±200 16 ... 20 ±200 19 ±0.8 2 2 3 20 ±200 22 ±0.8 2 2 3 20 ±200 25 ±0.8 2 3 3 20 ±200 32 ... 102 ±2.0 2 4 5 10 ±150 127 ±2.0 3 5 6 10 ±150 152 ±2.0 3 5 7 10 ±150 air hose