Mini Wash Flow Thru Brush has plastic block with rubber bumper prevents scratching. Lightweight brushes float in water.
Chemical resistant materials work well with many cleaners. Flow-thru threaded brushes fit all Mr. LongArm flow-thru and regular extension poles. Soft blue for use on fiberglass, windows, wheels, and other surfaces. This is for detailing and getting to small crevices that larger brushes simply can’t.