uxcell Nylon Line Hose Tube, 3mm(0.11") ID x 5mm(0.19") OD 3 Meter 9.8ft PA6 Nylon Tube Pneumatic Air Brake Tubing for Fluid Transfer Black - Amazon.com
uxcell Nylon Line Hose Tube, 6mm(0.23") ID x 8mm(0.31") OD 4m PA12 Nylon Tube for Air Line Brake Fluid Transfer Blue - Amazon.com
Amazon.com: UTAH PNEUMATIC 3/8 dot air line Hose Nylon Pneumatic Tubing Sae J844 Dot Approved For Air Brake Tubing Suspension Or Fluid Transfer 10 Meter 32.8 Feet Air Horn Tube 3/8 Air