AD 56412368 Neoprene Rear Squeegee for Nilfisk Advance. 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. Oil Resistant Rear Blade for popular (32") Nilfisk Advance machines such as Hydro-Retriever 2800, 2800C / BR 700, 700C, 700C-XL. Measures 39 1/4" x 2 4/5". Priced Each. Replaces Nilfisk Advance 56412368. Our Part Number AD 56412368