15:1 Reducer, 1-7/16" Hollow Bore E20MDSN 920 for Top, Wrap and Side Brushes. For use with FIBER Brushes on Car Wash Systems and System 3000/3100/3250.15:1 Reducer. 1- 7/16. E20MDSN920. (235-2132).$1,268.42PriceQuantityAdd to Cart