Libman Spin Mop VS O-Cedar - The O-Cedar Easy-wring spin mop comes with two more refills giving you more service time. Each mop head goes up to 3 months, so an extra 2 gives you six months. The Libman spin mop comes with only one head, and so when it wears out, you have to buy a new one or a replacement. This makes it less durable also considering it is made of recycled material.