PB 3341076PU Urethane Rear Squeegee for Minuteman Power Boss. Priced Each. Fits Minuteman Power Boss models which include Core 50, 5500, and 5550. Measures 68 5/8" x 4 1/4". 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 3341076PU. Our Part Number PB 3341076PU