The MRO Plus medium pad absorbs all industrial liquids (water, petroleum-based and chemical-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 pad. For use with oil and water-based fluids. MRO Plus SPC's number one universal sorbent and the standard in all purpose, gray maintenance sorbents. Gray color masks drips and spills, dimpled, perfed so you can take only what you need and reduce waste, medium weight pad.