1 in x 2 ft x 4 ft Armstrong Calla 9/16 in Square Tegular Panel - 2825
1 in x 2 ft x 4 ft Armstrong Calla 15/16 in Square Tegular Panel - 2823
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 4 ft Armstrong Calla 15/16 in Vector Panel / White - 2815