For O Ceda 1-Tank System: The Mop Replacement Head And Scruber Brush Set Only Compatible With Easywring Microfiber Spin Mop. Note: The Repalcement Parts Only Compatible With 1-Tank System, Not Compatible With 2-Tanks Rinseclean System. | | 1 Pack Scrubber Mop Head: Brush Consists Of 3 Layers Of Stiff Bristles, Pro- Cleaning Of Stubborn Stains, Especially Suitable For Cleaning Corners And Edges, With Microfiber Mop Head, Cleaning Effect Can Be Increased By 99%. | | 3 Pack Microfiber Mop Replacement Head: The Spin Mop Refills Are Made Of 100% Microfiber That Are Super Easy To Clean The Dirt And Dust, Perfect For Hardwood Floors, Sensitive Floors.Ceramic Tile, Laminate Floors, Marble Floors And Glass Windows, Machine Washable, Wet And Dry Reusable. | | Easy To Install: Replacement Head And Brush Very Solid; Just Remove The Dirty Mop Head And Replace The New One Into The Triangular Mop Base, After You Hear A "Click", It Means The Replacement Is Successful. | | After Sales Serv.