Polyurethane Clear Tubing, 1/8" ID x 1/4" OD x 1/16" W, Working Pressure: 133 PSI 100' Length Transparent, flexible tubing for fluid or compressed air applications Polyurethane for resistance to oil, chemicals, and abrasion Ether-based compound for resistance to water Operating temperature range of -60 to +220 degrees F Maximum operating pressure of 133 psi