For Use With Engine Intake/ Bilge Pump Intake/Discharge/ Scupper Lines/ Wet Exhaust Connections/ Toilet Intake/Discharge/ Holding Tank Vent/ Pump Out; 1-1/8 Inch Inside Diameter; 1-7/16 Inch Outside Diameter; 50 Foot Length; Synthetic Rubber; -20 Degree Fahrenheit To 200 Degree Fahrenheit Continuous Temperature Range; Black; For Marine Applications