2 ft x 15/16 in Armstrong Co-Extruded Clean Room Cross Tee - EA7920
4 ft x 15/16 in Armstrong Co-Extruded Clean Room Cross Tee - EA7940
12 ft x 15/16 in Armstrong Co-Extruded Clean Room ID Main Beam - EA7900
12 ft x 15/16 in Armstrong Co-Extruded Clean Room Angle Molding - EA7812