Description
Heavy laminated poster board back, black numerals and markings, red spirit. Two scales. -30° to 50° C in 2° increments (incubating temperature of 37.5° C is also marked). -20° to 120° F increments (incubating temperature of 99.5° F is also marked). 1 1/2" (3.8 cm) x 3 7/8" (9.8 cm). Wt. 1 oz.