About this item Replacement washable Hard Wood Floor Cleaning Pads for Shark Sonic Duo System Safely cleans all hard wood, laminated, tiles, vinyl and all hard surface floor Same material, size and style of made with the original Shark pad Specialized Pad leaves floors looking clean & bright with no dulling residue Remove stuck on dirt & sticky messes For Shark Sonic Duo: KD450W, KD400W, SP1000, ZZ500, ZZ510, etc