Abstract: A washer configured to wash a product includes a support frame, a transmission mechanism mounted to the support frame, a guide mechanism mounted to a top of the transmission mechanism, and a washing mechanism mounted adjacent to the transmission mechanism. The transmission mechanism includes a plurality of rollers mounted to the ends of the support frame and a plurality of transmission belts mounted to the rollers. The washing mechanism includes a plurality of washing elements. The plurality of washing elements are arranged at the top and bottom edges of the plurality of transmission belts. A plurality of outlet holes are defined in positions of washing elements adjacent to the plurality of transmission belts. Cleaning fluid sprayed from the plurality of outlet holes forms an intersecting liquid curtain to wash the product.