Guard column systems consist of holders and cartridges, and the correct choice is determined by the technique and analytical column that you are using. Restek offers three guard column systems—EXP, Roc, and Trident (direct and in-line)—that are each designed to match one of our LC column families and are intended for a specific technique.
EXP Holders and Cartridges
- Holder is compatible with all HPLC through UHPLC instruments and cartridges (rated to 20,000 psi [1400+ bar]).
- Designed for use with Raptor and Force LC columns.
Roc Holders and Cartridges
- Compatible with traditional HPLC instrumentation.
- Designed for use with Roc HPLC columns.
Trident Direct Holders and Cartridges
- Compatible with traditional HPLC instrumentation.
- Designed for use with legacy HPLC columns (Ultra, Pinnacle II, Pinnacle DB, Allure, Viva).
- Available in three levels of protection.
Trident In-Line Holders and Cartridges
- Compatible with traditional HPLC instrumentation.
- Designed for use with legacy HPLC columns (Ultra, Pinnacle II, Pinnacle DB, Allure, Viva).
- Requires a coupler to attach to the analytical column.
For more details, see our LC guard column selection guide.
