... Good quality with low price Name: escalator brush (escalator safety brush OTIS elevator part) Main products of AOQUN—— ... brushes, which to prevent sparseness, shedding, drop off.Brush bristle uses nylon yarn with characteristics like high flexibility ... modelsSingle row, Double row, Three rowBrush functioninflaming retarding, static-freeEnds styleAluminum, plasticEscalator angle6°,12°,30°,35°Base size19 ...