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The 3M Screen Unit in 18" x 120 grit delivers professional-grade abrasive performance for floor preparation and refinishing work. This durable screening product efficiently removes coatings, smooths surfaces, and prepares substrates for finishing applications. The 120-grit specification provides a balanced cut rate suitable for intermediate sanding stages. Built with 3M's trusted abrasive technology, it resists clogging and maintains consistent performance across extended use. Ideal for contractors and flooring professionals seeking reliable, cost-effective screening solutions for demanding job sites.