Refill your empty Bona spray mop cartridge or spray bottle with ready-to-use Bona Hardwood Floor Cleaner. This item contains four 128 fluid ounce refills totalling four gallons of floor cleaner. The bottle has splashless technology while the wide handle allows for an easy, controllable refill experience. The residue-free, fast drying solution cleans wood floors by gently and effectively removing dust, dirt and grime to reveal the floor's natural shine and beauty. We believe in crafting our floor cleaners with plant-derived ingredients, and always using waterbased and biodegradable solutions making a safer product for people, pets, and the planet.