Rain-X RX30221 Weatherbeater Wiper Blade - 21-Inches - (Pack of 1) The original Rain-X Weatherbeater wiper blade! For over 15 years, this traditional wiper blade is still known and trusted for its quality, durability and value. The galvanized steel frame prevents rust and corrosion while providing strength and durability. Natural rubber squeegee resists cracking, splitting and tearing caused by heat, cold, windshield wiper fluid and salt Provides a smooth, clean, streak-free wipe due to multiple press points that conform to your windshield