Two sizes (5 gram and 25 gram nominal sorbent capacity) handle sample amounts from milligrams to grams.
Teledyne Isco Solid Phase Sample Load Cartridges are available either empty (to fill with your own sorbent) or pre-filled with silica gel or reversed-phase C18 material. Several sizes of sample load cartridges (5, 25, 65, and 270 gram nominal sorbent capacity) allow loading of sample amounts from milligrams to tens of grams.