Casabella Refill for XL Flexible Microfiber Floor Duster (Item# 17524). Refill for Head flexes up or down to clean baseboards, trim, stairs, or ceilings. Microfiber attracts dirt like a magnet. Ergonomic soft grip handle. Lightweight, strong construction. Good for all floor types. Extra large head measures 18-Inch and cuts down on cleaning time. Casabella has been focused on offering the highest quality materials combined with custom designs and unparalleled product innovation for 25 years. We continue to provide tools to make you life easier. Casabella. Designed for the way you live.