Unit includes convertible universal, roll paper towel module and 12‑gallon waste receptacle module which can be interchanged with an automatic, universal or folded towel module and 18-gallon waste receptacle module, respectively. Cabinet is not replaced when changing modules. Satin-finish stainless steel. Seamless beveled flange. Touch-free, pull-towel mechanism dispenses 12" (305mm) length per pull of universal roll paper towels. Accommodates 8" (205mm) wide, up to 8" (205mm) diameter rolls, 800 ft (244m) long, plus 3 1⁄2" (90mm) diameter stub roll with automatic transfer. Removable waste receptacle is locked into cabinet. Receptacle is 8" (205mm) deep with capacity of 12‑gal. (45.5‑L); extends 4 1⁄8" (105mm) from wall. Rough Wall Opening: 16" W, 54 3⁄4" H, 4" min. depth (405 x 1390 x 100mm).