PB 3308829PU Urethane Rear Squeegee for Minuteman Power Boss. Priced Each. Measures 63 1/2" x 5". Fits the Squeegee Assembly for popular Power Boss / Minuteman machines such as the 90 Series Rider Sweeper Scrubber. Polyurethane blades are commonly used for special situations where heavy oils or chemicals exist. These urethane blades are also very abrasion resistant and can be used in glass manufacturing facilities, bottling plants, or other areas where broken glass may be an issue. These can also be used on concrete sidewalks and similar abrasive surfaces. Replaces Minuteman Power Boss 3308829PU. Our Part Number PB 3308829PU