One size does not fit all. The Refill For Casabella Height Adjustable Butterfly Floor Duster Model 86006 allows you to continue cleaning in comfort. The floor duster head is machine washable for convenient cleaning. The height adjustable pole slides and clamps to just the right size for the extra tall, extra small and everyone in between. You can be 4'5" or 6'5" and be able to use this duster comfortably! 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.