Description Patented, mildew-resistant DuPont® material is designed to meet cleanroom (Class 1000) applications for lint reduction. Ideal for cleanup of foodservice areas, hospitals and oil and hazardous chemical spills. 100% recycled, cotton/synthetic blend fibers are interlocked for strength, less linting and launderability. Fibertac process cut-end mops last three times longer than comparable cut-end mops. Durable double-sewn tailband. Narrow 11