Home :: HPLC Columns :: VDS optilab :: VDSpher PUR Series :: VDSpher PUR 100 Series :: VDSpher PUR 100 C8-SE Series (monomeric bonding, gas phase endcapping) :: VDSpher PUR 100 C8-SE - 3.5µm :: VDSpher PUR 100 C8-SE 3.5µm, Guard Cartridges 4.0 x 5mm, pk.5