Innovative tool dispenses cleaning solution right from the mop handle. Easy-to-squeeze ergonomic trigger and no-slip tip. Evenly dispenses liquid in three streamsbehind the mop frame. 21-oz. capacity cleans up to 850 sq. ft. before refilling. Full-length view window for monitoring fill level. Large opening for manual refilling, or use with the Pulse'" Caddy !sold separately) for hands-free refilling. Includes 58-in. long handle plus 18-in. mop frame. Requires 18-in. microfiber wet pad I sold separately). Also works with 11-in. and 24-in. mop frames and pads (sold separately).