Use the Thermo Scientific™ Replacement Tip as a standard component for UNIFILTER™ Direct-Connection HPLC Filter Systems or for UNIGUARD™ Direct-Connection Guard Cartridge Holders. The UNIGUARD Cartridge Holder connectors have an inner diameter that matches the analytical column inset and eliminates the need for extra fittings. The UNIFILTER Filter Systems are replaceable 0.5μm drop-in filters that enhance column lifetime and improve performance. A Filter System comprises the holder, filter and replacement tip.