Tinted tanks conceal dirty water from patron's view. Dual color scrub brush w/brush wear technology. Anti-microbial scrub brush limits adhesion of particles to brushes; ideal for food service. Part of 20v platform, quick charge battery with 25 minutes of runtime and fits on all Oreck® OC3 cordless products. 1.5 Qt. dual tank technology. Water is housed separately so you're always cleaning with clean water. Floor scrubber for hard surfaces.