Promote a safer workplace. The patented, molded-in WaveBrake inhibits wave formation, which reduces splashing by 40%. Buckets stack, even with the wheels attached, for more efficient storage. Tested to exceed 50,000 cycles, the wringers are more than twice as durable. 30" handle bend is easier on the user's wrist and shoulder. Reduces cross-contamination: Unique "bucket-in-bucket" design separates clean and dirty water, which reduces cross-contamination potential and leaves a cleaner, less slippery floor. Generating less than one-tenth the noise of a traditional mop bucket, the Quiet Caster Dolly allows you to work quietly in noise-sensitive environments, day or night. Bucket capacity: 35 qt. Wringer capacity: up to 32-oz. mops. Sold by the each.