Tennant Certified Pre-Owned S30 Rider Sweeper.  Clean in one pass, indoors and outdoors, even in the toughest environments. The S30 is simple to operate and maintain for both heavy and light dust applications, improving air quality with impressive dust control from the exclusive SweepMax; Plus cyclonic air filtration system. The exclusive, easy to set color-coded brush wear indicator quickly sets correct brush pressure and end-to-end rotation. Lower maintenance time with on-board diagnostics, EasyOpen; service access and the no-tool InstantAccess; filter and cyclone access for easy clean-outs.