PB 3342893 Urethane Scrub Deck Front Side Skirt for Minuteman Power Boss Core 50 / 5550 Sweeper/Scrubbers. A heavy duty 3/8" thick oil, abrasion, and chemical resistant polyurethane scrub deck side skirt. This blade measures 12-13/16" x 4-1/2" x 3/8" with 3 mounting slots. This blade is the front blade of the two side squeegee assemblies (Left and Right). 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. Works in conjunction with the 26" urethane side blade, PB 3342892. Two side front skirts are required per unit. Priced Each. Replaces Minuteman Power Boss 3342893. Our Part Number PB 3342893