GREAT FIT: The mop replace head, mop handle, mop base and base scrub brush set is only fit O Cedar RinseClean 2-Tanks system. NOTE: NOT fit O Cedar EasyWring 1-Tank system. EFFECTIVE CLEAN OVER 99% OF DUST: This deep clean refill for O cedar spin mop heads can effectively pick up 99% dirts using only water. UNIVERSAL: The mop heads replacements are suitable for deep cleaning of smooth surfaces such as wood, tile, laminate, marble, and other sealed hard floors, as well as for cleaning glass and cars. MEET ALL YOUR CLEANING NEEDS: The 4 spin mop replacement heads are made of 100% microfiber, can be used dry or wet. Dry mopping is used to clean hair and dust, while wet mopping is for stain removal. The scrub brush is used to clean stubborn stains, meeting your multiple cleaning needs. GREAT VALUE SET: You will get 4 mop replacement heads, 1 scrub brush. Save time and money with longer-lasting mop head replacements. If you are not completely content with your shopping experience, please let us know, and we will be happy to assist you. Our O Cedar mop head replacement set is made of high-quality microfiber material, the mop refill head can clean the floor thoroughly and protect the floor from damage.