Master Plumber, 3/16" ID x 12/32" OD x 50", Vacuum Windshield Wiper & Washer Tubing, Manufactured For A Variety Of Applications For Weather & Ozone Resistance, Mainly Used For Windshield Wiper Tubes, As Well As Irrigation Tubes, Sprinkler Tubes & Other Low Pressure Applications, 20 Working Pressure @ 70°ree. Fahrenheit, Patented Open Box Spool.