The WaveBrake® mop bucket and wringer system reduces splashing, which means a safer environment, cleaner floors, and improved productivity. High efficiency down press wringer. Lasts twice as long as Side Press Combo, RCP 7580-88. Tested to exceed 100,000 wringing cycles, side press wringer performs 50,000 cycles. Premium tubular steel and Structural Web molded plastic. Bucket in bucket system separates clean and dirty water. Quiet Caster Dolly makes 1/2 noise of standard mop bucket. Integrated trolley handle for easy transport and storage of Safety Sign and Lobby Dust Pan. Removable Maid Caddy. Extra accessory bucket.