The 3M Sanding Screen 29880, 220 Grit, 16 in x NH is a high-performance mesh screen disc designed for sanding hardwood floors and other wood surfaces. It features a strong fiber construction with uniform open mesh, ensuring consistent cutting performance from start to finish. Made with silicon carbide, this abrasive screen resists loading, can be used wet or dry, and is reusable—simply rinse and reuse for extended life. Its open-weave design reduces clogging, and it can be flipped to use both sides, effectively doubling its lifespan.