Smartcolor Dual-Compartment Bucket System Lets You Clean Efficiently Without Discomfort. Dual-Compartment Mop Bucket Separates Clean And Dirty Water To Prevent Cross-Contamination. Lightweight, Ergonomic Design Increases Productivity And Mitigates Injuries That Result From Fatigue. Rear-Mounted Dump Spout And Removable Casters Make Emptying And Maneuvering Buckets Easier And More Comfortable. Versatile Bucket System Functions Efficiently With Both Flat Mops And Traditional String Mops.