C8 Guard Columns

#229570
10 mm x 10 mm
5 μm, 100 Å pore size
$750
#229620
21.2 mm x 10 mm
5 μm, 100 Å pore size 
$650
#229625
30 mm x 10 mm,
5 μm, 100 Å pore size 
$1,100