12 ft x 15/16 in Armstrong Prelude XL Exposed Tee ID Main Beam - 7300
12 ft x 15/16 in Armstrong Prelude XL Exposed Tee HD Main Beam - 7301WA
12 ft x 15/16 in Armstrong Prelude XL Exposed Tee HD Main Beam - 7301
12 ft x 15/16 in Armstrong Prelude XL Exposed Tee ID Main Beam - 7300BL
12 ft x 15/16 in Armstrong Prelude XL Exposed Tee HD Main Beam - 7301BL
12 ft x 15/16 in Armstrong Prelude XL Exposed Tee HD Main Beam - 7301AD
12 ft x 15/16 in Armstrong Prelude XL Fire Guard Exposed Tee ID Main Beam - 8300
12 ft x 15/16 in Armstrong Prelude XL Exposed Tee HD Main Beam - 7301NA
12 ft x 15/16 in Armstrong Prelude XL Exposed Tee HD Main Beam - 7301MY
12 ft x 15/16 in Armstrong G90 Prelude XL for Exterior Applications HD Main Beam -7301G90
12 ft x 15/16 in Armstrong Prelude XL Exposed Tee HD Main Beam - 7301SA
12 ft x 15/16 in Armstrong Prelude XL 360 Painted HD Main Beam - 730136
12 ft x 15/16 in Armstrong Prelude XL HD Main Beam Slotted For Torsion Spring - 7301TS
12 ft x 15/16 in Armstrong Prelude XL High Recycle Content HD Main Beam - 7301HRC
12 ft x 15/16 in Armstrong Prelude XL Exposed Tee HD Main Beam - 7301SG
4 ft x 15/16 in Armstrong Prelude XL HD Main Beam Slotted For Torsion Spring - XL7341TS
12 ft x 15/16 in Armstrong Prelude XL 360 Painted HD Main Beam - 730136BL
12 ft x 1 11/16 in Armstrong Prelude XL 15/16 in Exposed Tee Main Beam / Atmospheric - 7301SW6505
12 ft x 1 11/16 in Armstrong Prelude XL 15/16 in Exposed Tee Main Beam / Black - 7301BL
12 ft x 1 11/16 in Armstrong Prelude XL 15/16 in Exposed Tee Main Beam / Charcoal Black - 7301ZB
12 ft x 1 11/16 in Armstrong Prelude XL 15/16 in Exposed Tee Main Beam / Grey Stone - 7301GS
12 ft x 1 11/16 in Armstrong Prelude XL 15/16 in Exposed Tee Main Beam / Ivory - 7301IV
12 ft x 1 11/16 in Armstrong Prelude XL 15/16 in Exposed Tee Main Beam / Light Grey - 7301LG
12 ft x 1 11/16 in Armstrong Prelude XL 15/16 in Exposed Tee Main Beam / Limestone - 7301SLM