1 in x 2 ft x 4 ft Armstrong Optima Health Zone 15/16 in Square Lay-In Panel - 3115
3/4 in x 2 ft x 2 ft Armstrong Optima 15/16 in Square Lay-In Panel - 3150
1 in x 2 ft x 4 ft Armstrong Optima 15/16 in Square Lay-In Panel - 3153
1 1/2 in x 2 ft x 4 ft Armstrong Optima 15/16 in Square Lay-In Panel / White - 3155
1 in x 2 ft x 2 ft Armstrong Optima 15/16 in Square Lay-In Panel / White - 3152
1 in x 2 ft x 2 ft Armstrong Optima Health Zone 15/16 in Square Lay-In Panel - 3114