GC packed column, stainless steel, 25 ft (7.62 m), 1/8 in OD, 2 mm ID, Porapak Q, 100/120, preconditioned

GC packed column, stainless steel, 25 ft (7.62 m), 1/8 in OD, 2 mm ID, Porapak Q, 100/120, preconditioned