2 speed wiper features 483mm (19”) silicon flex blade. Silicon blade aids in use with polycarbonate windshield. 135° sweep. Adjustable blade operating height. Washer features custom formed 1.89 liter (½ gallon) plastic container and pumps fluid to an adjustable nozzle. Wiper removes fluid and residue. Use on KQR Full Windshield, Glass (99994-1290) or KQR Full Windshield, Polycarbonate (99994-1289).