The ProLine 1-1/2 in. I.D. x 50 ft. Polyethylene Vacuum Hose utilizes high grade, corrugated ultra-low density polyethylene. This design offers high melting temperatures, superior flexibility and high puncture and tear resistance. The non-marking cover is abrasion resistant and crush-proof. This line is perfect for vacuum applications. Easy to install Non-marking cover Abrasion and crush resistant Perfect for pool, spa and vacuum applications Extremely flexible Floats on water Features Item Weight 8.23 Maximum Flow Rate (gallons per minute) 81 Connectivity Compression Material Polyethylene Color Family Blue Maximum Working Temperature (F) 140 Color/Finish Blue Returnable 180-Day Application Air,Non-Potable Water Product Weight (lb.) 8.23 lb Pipe Features No Additional Features Pipe or Fitting Product Type Pipe & Tubing Minimum working temperature (F) -5 Pack Size 1 Maximum working pressure (psi) 40 Pipe Wall Thickness (In.) .25 Actual inside diameter (in.) 1.5 Product Length (ft.) 50 ft Nominal Inside Pipe Diameter (In.) 1-1/2\” Actual outside diameter (in.) 1.75 Manufacturer Warranty 1 year Certifications and Listings NSF Listed