• Highlight: Engineered specifically for the vertical riser surface of escalator steps where flat brushes can't reach — lifts embedded grit from rubber tread edges.
• Best For: Mall and airport contract cleaners running TREADMASTER escalator-cleaning systems.
• Expert Note: OEM-spec replacement bristle stiffness matches the original tooling — third-party brushes often deform after 8-10 cycles, leaving streaks on the riser.