This 500 mm wiper blade Hella Agro WA20 is built using a frame assembly.
This windshield wiper boasts a robust metal frame with articulated pressure points, designed to guarantee even pressure distribution on curved glass. The high-grade polymer wiping edge is firmly anchored in a U-channel, delivering a consistent sweep across the arc. Easy-to-replace refills and multi-vehicle fitment make it a cost-effective choice for older models. It incorporates a durable galvanized frame that resists corrosion and mechanical wear, a multi-pivot action that adapts to complex windshield curves and a simple rubber refill system that extends service life while reducing total cost of ownership. However, exposed hinges may freeze and clog with dirt during winter, at high speeds it can experience wind lift and increased noise, and natural rubber wears faster in sunlight whereas polymer composites command a higher price. Periodically clean and lubricate the hinges with a silicone spray every three to six months and replace the wiping edge every six to twelve months (or every four to six months in harsh climates). Perfect for mild weather, daily commuting and economical drivers, this blade ensures dependable performance, clear visibility and lasting value at an affordable price.
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