Trico 25-180 Force Beam Wiper Blade 18", Pack of 1 Robust superstructure for durable all-weather performance VorTec aerofoil converts wind force for maximum windshield contact HighGlide treated rubber element for a smoother, quieter wipe Patented swept-wing spoiler for high wind speeds SWIFT easy connection adapter technology makes it simple to install Available in lengths 14 inch to 28 inch VorTec aerofoil provides maximum windshield contact by transferring wind force downward Unique spoiler reduces wind-lift in excess of 135 MPH (220 KPH) Provides quiet operation with less chatter Memory Curve Steel provides uniform pressure One-piece wiper structure resists snow and ice clogging HighGlide treated rubber element SWIFT Easy Connection Technology makes for easy installation Fits 5 conventional and 7 specialty wiper arm connection types with only one extra adaptor