Commercial Sauna Room Thermometer & Hygrometer, Chrome, Round, 5-7/8" This analog sauna thermometer and hygrometer combines function and elegance. Featuring a chrome bezel with a classic slotted vent design, its 6" diameter and 1-1/4" depth, white face with black print, makes it easy to read while enhancing the sauna's aesthetic. Durable, precise, and beautifully designed for any sauna environment.