2 ft x 1 1/2 in Armstrong Prelude Plus XL Aluminum 15/16 in Exposed Tee Cross Tee / White Aluminum - XLAL7220WA
12 ft x 1 1/2 in Armstrong Prelude Plus XL Aluminum 15/16 in Exposed Tee Main Beam / White Aluminum - AL7200WA
4 ft x 1 1/2 in Armstrong Prelude Plus XL Aluminum 15/16 in Exposed Tee Cross Tee / White Aluminum - XLAL7240WA