3/4 in x 2 ft x 2 ft Armstrong Optima 15/16 in Square Lay-In Panel - 3150
3/4 in x 2 ft x 4 ft Armstrong Optima 15/16 in Square Lay-In Panel - 3151
3/4 in x 2 ft x 2 ft Armstrong Optima Plant Based 15/16 in Square Lay-In Panel - 3150CPB
3/4 in x 2 ft x 5 ft Armstrong Optima 15/16 in Square Lay-In Panel - 3164