This 10" floor scrub brush from Carlisle is a high-quality scrubber with crimped polypropylene bristles that wash easily and prevent the gathering of mold and mildew. The split shape is efficient for cleaning flat surfaces, under counters, around equipment, and along baseboards. It has Flo-Thru channels to disperse water and cleaners. Threads are 3/4-5 ACME. The standard thread form in the US.