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
1 in x 4 ft x 4 ft Armstrong Optima 15/16 in Square Tegular Panel - 3255
1 in x 48 in x 54 in Armstrong Optima 9/16 in Square Tegular Panel - 3249
1 in x 4 ft x 8 ft Armstrong Optima 15/16 in Square Lay-In Panel - 3154
