Removable And Washable This Refill Does Double Duty As Floor Duster Or Mop. Keep Your Mighty Mop Working Hard And Your Floors Twice As Clean By Using This Replaceable Microfiber Head. Whether You Make Your Own Cleaning Solutions Or Purchase Ready-Made, We Know That You'Re Careful About What'S In Your Home And What'S Used To Clean Your Home. We Can Assure You There Are No Toxic Chemicals Or Dyes In This Refill.