Bobrick Matrix Series Soap Dispenser, Impact-Resistant Polymer. Corrosion-resistant valve. 50-fl oz. capacity. Valve removable for easy maintenance. Unit 6 in. W, 8-1/8 in. H; wall to pushbutton, 4 in.. Universal/Barrier-Free Mtg. Ht.: 51 in. to top of unit with pushbutton 44 in. above floor.