Master Plumber, 1/4" ID x 3/8" OD x 50', Amber, Latex Tubing, Synthetic Compound Is Very Elastic, Use In Low Pressure Applications Where Extreme Flexibility Is Required, Excellent Cold Temperature Resistance, Do Not Use With Petroleum Based Products, Not For Pressure Applications, Flexible In Low Temperatures, Temperature Range Minus 40 To 180 Degrees Fahrenheit, Dispenser Box.