O’Cedar Easy Squeeze® Sponge Mop Refill. This super absorbent foam sponge mop refill features microfiber wave strips to easily lift stubborn dirt. This O-Cedar® sponge mop refill has a super absorbent foam sponge that leaves floors drier. It is great for all surface floor cleaning is reusable up to 6 months. Case Price. Case Pack 6 each.