3" Dia. x 100 ft HydroMaxx Clear Flexible PVC Suction and Discharge Hose with White Reinforced Helix Clear PVC with white helix with smooth interior wall Clear wall allows inspection Highly versatile and durable Smooth interior prevents material blockage Vacuum Pressure 0.8 Atm. = 25 of Hg column, Temperature range: -10 degrees F to 125 degrees F The PVC cover is also weather, ozone and UV resistant