WI 86391570 Urethane Resistant Rear Squeegee for Windsor Floor Scrubbers. Clearish-yellow abrasion, chemical, and oil resistant polyurethane rear floor squeegee blade. Fits Windsor Karcher Chariot 3 iScrub 26 (Disc and Cylinder Models). Will not fit older Chariot 24/26 models (use our WI 140935 / 86283510). Also fits Windsor CS26, CSC26, CSCM26, SC26SP, CSM26SP, and CSCM26SP. Please refer to your parts manual for the proper application. Works in conjunction with the urethane slotted front (inner) squeegee, WI 86391560. Priced Each. Replaces Windsor 8.639-157.0. Our Part Number WI 86391570