1 in x 2 ft x 2 ft Armstrong Optima 9/16 in Square Tegular Panel / White - 3251
1 in x 2 ft x 2 ft Armstrong Optima 15/16 in Square Tegular Panel / White - 3250
3/4 in x 2 ft x 4 ft Armstrong Optima 15/16 in Square Lay-In Panel / White - 3151
1 in x 2 ft x 2 ft Armstrong Optima 9/16 in Square Tegular Panel / White - 3355
1 in x 2 ft x 2 ft Armstrong Optima Plant Based 9/16 in Square Tegular Panel / White - 3251PB
1 in x 2 ft x 4 ft Armstrong Optima Plant Based 9/16 in Square Tegular Panel / White - 3257PB
1 in x 2 ft x 6 ft Armstrong Optima 9/16 in Square Tegular Panel / White - 3261
1 in x 2 ft x 8 ft Armstrong Optima 9/16 in Square Tegular Panel / White - 3262
1 in x 4 ft x 4 ft Armstrong Optima 9/16 in Square Tegular Panel / White - 3256
7/8 in x 2 ft x 2 ft Armstrong Optima Plant Based 15/16 in Vector Panel / White - 3900PB
7/8 in x 2 ft x 4 ft Armstrong Optima PB 15/16 in Vector Panel / White - 3908PB
1 1/2 in x 2 ft x 2 ft Armstrong Optima 15/16 in Square Tegular Panel / White - 3253
1 in x 2 ft x 2 ft Armstrong Optima 15/16 in Square Lay-In Panel / White - 3352
1 in x 2 ft x 6 ft Armstrong Optima 15/16 in Square Tegular Panel / White - 3281
7/8 in x 2 ft x 2 ft Armstrong Optima Plant Based 15/16 in Vector Panel / White - 3900PB
7/8 in x 2 ft x 4 ft Armstrong Optima 15/16 in Beveled Concealed Panel / White - 8537
7/8 in x 2 ft x 6 ft Armstrong Optima PB 15/16 in Vector Panel / White - 3906PB
1 1/2 in x 2 ft x 2 ft Armstrong Optima 15/16 in Square Lay-In Panel / White - 3159
1 1/2 in x 2 ft x 2 ft Armstrong Optima 9/16 in Square Tegular Panel / White - 3254
1 1/2 in x 2 ft x 2 ft Armstrong Optima Health Zone 15/16 in Square Lay-In Panel / White - 3314
1 1/2 in x 2 ft x 2 ft Armstrong Optima Health Zone 15/16 in Square Tegular Panel / White - 3316
1 1/2 in x 2 ft x 4 ft Armstrong Optima 15/16 in Square Lay-In Panel / White - 3155
1 1/2 in x 2 ft x 4 ft Armstrong Optima 15/16 in Square Lay-In Panel / White - 3356
1 1/2 in x 2 ft x 4 ft Armstrong Optima Health Zone 15/16 in Square Lay-In Panel / White - 3315