The MRO Plus medium roll absorbs all industrial liquids (water, petroleum-based and chemical-based fluids). Perfed every 15 Inch and up the center. For use with oil and water-based fluids. 3-ply construction makes it stronger, more durable and reduces lint. Gray color masks drips and spills, dimpled, perfed so you can take only what you need and reduce waste, medium weight roll. The dirt masking gray color fosters longer use before disposal.