SINGLE BANK * 14  x 17 
28  x 17  * Features two bulb illuminators (15 watts each -2200 Candela per square meter) a 3 1/2  deep aluminum cabinet with a baked-on white finish  a magic grip film retainer and a 6' line cord with 3 prong plug * Wall mounted dimensions:  18.25 x28 x3.5
FOUR BANK * 56 1/2  x 17  *
THREE BANK * 43 1/2  x 17  * Constructed of heavy gauge steel and finished in enamel * A high gloss reflector with two  15 watt fluorescent tubes per 14  x 17 * Features an instant grip film retainer * Supplied with a 3 prong plug * Each exam bank is 14  x 17  *