Convenience meets quality with Unger’s 18” Window Cleaner Scrubber Refill Sleeve. Built with machine-washable high-absorbency microfiber and a long-lasting Velcro closure, this essential piece of window washing equipment is ideal for any professional window washer squeegee kit. It even includes an integrated Scrub Zone for hard-to-clean stuck-on messes that scrubs without scratching delicate glass. Simply slip the sleeve on your favorite Unger Swivel Scrubber tool, scrub your windows with the gentle but thorough microfiber, remove the sleeve, and throw it in the washing machine before your next job. This window scrubber refill is quick, easy, and effective.