The unit can be mounted within any wall surface that has a rough opening that is 15-7/8 inches in width by 26-1/4 inches in height by 4 inches in depth

The design includes slots for holding up to six standard size toothbrushes with three slots on either side of the center tumbler opening

with integral solid surface overflow

Bradley P18-061 Sec

Guardian GFR1205 Freeze-Resistant Emergency Shower, Horizontal Mount Specimen Cabinets & Healthcare Accessories The unit can be mountedAPPLICATION: Freeze resistant emergency shower for horizontal mounting. Valve and supply line are located behind wall in heated area to prevent freezing. Since unit is intended for use in cold weather conditions, consideration should be given to supplying unit with tempered water in accordance with ANSI Z358. 1 2004. See ? Tempering Units? section for more information. SHOWER HEAD: 10" diameter orange ABS plastic. VALVE: 1" IPS chrome plated brass