Maximum Visibility for Your RV with the TruVision TRU6-28 28-Inch Heavy Duty Wiper Blade Designed for dependable wiping performance, the TruVision TRU6-28 Heavy Duty Wiper Blade delivers strength and clarity for RV owners who demand reliability in every weather condition. Featuring a heavy-duty metal frame and premium rubber wiping element, this 28-inch blade ensures smooth, streak-free performance. The included M4 adaptor, along with M5 and M6 screws, provides versatile compatibility with various RV wiper arm types. Quick installation instructions are included for a hassle-free setup. Note: Not compatible with TruVision's J-Hook, Universal, or Curved Series wiper arms. Equip your RV with heavy-duty clarity and confidence from TruVision.