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Libman Scrub Brush 510$5.48
The Libman Swivel Grout Scrub Brush is perfect for cleaning built up dirt in grout lines as well as tough grime off of any kitchen or bathroom floor tiles. It's v-shape allows it to perfectly srub grout lines and get in corners and tight spaces. The head swivels up to 180 degrees and measures 10" x 1.5".