Versatile, push plunger valve, dispenses .9 cc or more per stroke. Accommodates many liquid & lotion soaps, except pumice. Smooth, curved top. Removable backplate for easy mounting. Meets ADA requirements. Tested and proven to work with antimicrobial, antibacterial, and antiseptic soap. Large capacity, 50 oz. Hidden security key lock prevents vandalism. See-thru tank allows easy view of soap level.