Master Plumber,5/16" ID x 9/16" OD x 50', Black, Fuel Line Reinforced PVC Hose, Excellent For Lawn & Garden Equipment Fuel Lines, Not For Use In Under Hood, Applications, Suitable For Use With Petroleum Based Products, Oil & Grease Resistant, Temperature Range 15 To 150 Degrees Fahrenheit, Working Pressure 80 PSI At 70 Degrees Fahrenheit, Dispenser Box.