35 qt bucket. WaveBrake® can handle any mopping job with ease. The famous patent-pending wave brake technology in every WaveBrake® bucket reduces splashing for a safer environment, cleaner floors, and more efficient mopping. Massive capacity for the largest commercial cleaning jobs. Made of premium tubular steel and structural web molded plastic. Works with all Rubbermaid Cleaning Carts. Foot pedal water evacuation onveniently located, no lifting required for worker well-being.