PB 00442540 Neoprene Rear Squeegee for Minuteman Power Boss. Neoprene is used in cases where the standard duty tan gum blades won't hold up and distort. Neoprene blades are naturally chemical and oil-resistant and can be used in food processing plants, chemical plants and areas where tan gum blades might be affected by chemicals. They are also naturally chemical resistant and can be used where caustic chemicals exist. Priced Each. Fits the Squeegee Assembly for popular Power Boss / Minuteman machines such as the Admiral 35 Rider Scrubber. Replaces Minuteman Power Boss 00442540. Our Part Number PB 00442540