Keep your Nitty Gritty(R) Roller Mop cleaning like it's new with this refill. A direct replacement for the original Nitty Gritty(R) Roller Mop's head, the HexaClean(TM)tear-resistant mop head helps you lift dirt away from vinyl, linoleum, wood, laminate, marble, stone, or ceramic tile and absorbs 10x its weight. | LIBMAN Nitty Gritty Roller Mop Refill