$53.99 I'm sure someone else figured this out but in a pinch when I run out of Swiffer wet pads I use 
New - Clorox Disinfecting Bleach, Regular(Concentrated Formula) - 121 Ounce Bottle - Walmart.com 
Swiffer Sweeper Dry Sweeping Pad Multi Surface Refills for Dusters Floor Mop, Unscented, 48 
