Water Suction and Discharge Hose, 4 in, 20 ft, Aluminum x Carbon Steel Fitting Material, 150 psi/ TEMP RATING: 180.0 DEG FAHRENHEIT MAXIMUM OPERATING PRESSURE: 100.0 POUNDS PER SQUARE INCH VACUUM IN TORR: 29.0 MEASURING METHOD AND LENGTH: 20.000 FEET NOMINAL WORKING PART NAME ASSIGNED BY CONTROLLING AGENCY: 4 INCH WATER SUCTION, DISCHARGE HOSE SPECIAL FEATURES: ALUM FEMALE CAM LOCK AND PLATED STEEL MNPT FITTING