Mar 10 2009 Sonic Duo 2-Speed 0.25-Gallon Floor Scrubber ZZ550 $59 at Lowes Posted on March 10, 2009 by DealFinder Rating: 0 Posted By: palnic Views: 20 Replies: 0 Sonic Duo 2-Speed 0.25-Gallon Floor Scrubber ZZ550 $ 59 at Lowes.$ 120 at Amazon,4-star review Fatwallet.com Hot Deals