Warrior AXP walk-behind scrubber has an automatic detergent dispensing system that eliminates the need to pre-mix detergent and water be setting the dilution ratio. A single button selects the proper combination of solution flow and downward brush pressure. A tools-free interchangeable scrub deck allows for easy changing from disks to cylindrical brushes. The unit uses a 36 V battery pack. Advance: www.advance-us.com