Item #SuperstrutB-LineUnistrut
GPB100B278FL
GPB101B279SQ
GPB102B279P2072
GPB110B281AFL
GPB111B281ASQ
GPB112B281AP2073
GPB200B280FL
GPB201AP232-SQB280SQ
GPB202AP232B280P2072 A
GPB210B281FL
GPB211AP235-SQB281SQ
GPB212AP235B281P2073 A