Specifically designed for use with the O-Cedar RinseClean Spin Mop System, the RinseClean Refill is made from hardworking microfiber that removes over 99% of bacteria with just water. Its triangular head design moves easily inside corners and captures all dirt, dust and grease. Plus, it is reusable and machine washable saving you time and money. Microfiber removes dirt, grime and over 99% of bacteria with just water Reusable and machine washable refill can be used again and again Triangular shape for maneuverability and superior corner cleaning Safe on all hard floor surfaces including hardwood, tile, ceramic, vinyl and more Simply toss your dirty refill into the wash, and swap in a new refill for a clean start Includes 2 RinseClean Refills total Removes, does not kill, over 99% of E coli and Staph aureus from pre-finished hardwood flooring and ceramic tile using tap water, as tested at an independent accredited lab