Home :: HPLC Columns :: Shodex (Showa Denko) :: Shodex OHpak Series :: Shodex OHpak SB HQ Series (PHMA Polymer-based) :: Shodex OHpak SB-800 HQ Series (SB-802 HQ to SB-807 HQ) :: Shodex OHpak SB-807G, 8.0 x 50mm Guard Column, ea.