1 in x 4 ft x 4 ft Armstrong Optima 15/16 in Square Tegular Panel - 3255
1 in x 4 ft x 4 ft Armstrong Optima 9/16 in Square Tegular Panel - 3256
1 in x 4 ft x 4 ft Armstrong Optima 15/16 in Square Lay-In Panel - 3160
7/8 in x 4 ft x 4 ft Armstrong Optima PB 15/16 in Beveled Concealed Panel / White - 8538PB
