1 in x 2 ft x 2 ft Armstrong Calla 15/16 in Square Lay-In Panel - 2820
1 in x 2 ft x 2 ft Armstrong Calla 15/16 in Square Lay-In Panel - 2820BK
1 in x 2 ft x 4 ft Armstrong CALLA 15/16 in Square Lay-In Acoustical Panel / Black - 2821
1 in x 2 ft x 4 ft Armstrong Calla 15/16 in Square Lay-In Panel - 2821
1 in x 2 ft x 6 ft Armstrong Calla 15/16 in Square Lay-In Panel / White - 2864
7/8 in x 2 ft x 2 ft Armstrong Calla High CAC 15/16 in Square Lay-In Panel / White - 8805