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3M Screen Unit 18 X 100 Grit delivers professional-grade abrasive performance for floor preparation and refinishing work. This 18-inch wide screening unit features 100-grit abrasive material, ideal for intermediate sanding applications on wood and concrete surfaces. The durable construction withstands repeated use in demanding flooring projects, providing consistent results across large work areas. Compatible with standard floor screening equipment, this unit efficiently removes old finishes, smooths surfaces, and prepares substrates for new coatings. Essential for contractors and flooring professionals seeking reliable, cost-effective abrasive solutions.