646 fits Advance® (Nilfisk), Centaur®, Crusader®, Husky®, Mastercraft®, Mercury®, Michaels®, Milwaukee®, Minuteman®, Nortech®, Pacific steamex®, Powr-Flite®, Prestige®, Proteam®, Sandia®, tiger-Vac®, tornado®, Vac-u-Max®, Wal-Vac®, Windsor® brands of vacuum cleaners

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