Miller's Creek Sponge Butterfly Sponge Mop in the Wet Mops department at Lowes.com
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Amazon.com: Quickie Sponge Mop Refill Type S [Set of 4] Sponge Mop Head Replacement - Quickie Mop Pads Refills 9X2.75 Inch - Quickie Mop Replacements #045 - Made in USA - Bundled
OXO Good Grips® Butterfly Mop Refill | Bed Bath & Beyond
Amazon.com: Clorox Butterfly Mop Refill : Health & Household
Butterfly Mop Refill Type I Mainstays Home Large Made In USA New | eBay