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LC COLUMNS
HPLC Guard Cartridge Systems
25022
Double the ProtectionWith Cap Frits!
XF
Fitting
XG-XF
Fitting
Guard
Cartridge
PEEK
Tip
Cap
Frit
*The standard PEEK tip in Trident direct systems is compatible with Parker, Upchurch Scientific, Valco, and other CPI-style
fittings. To use Trident direct systems with Waters-style end fittings, replace the tip with cat.# 25088.
Trident Direct Guard Cartridge System Easy to Use, Low Dead Volume—
The Ultimate Combination of Convenience and Column Protection
Unlike “one size fits all” guard systems, the Trident direct system gives you the power to
select the right level of protection for your analysis.The systemoffers three levels of pro-
tection, with a variety of bonded phases tomatch your analytical column.The economi-
cal, leak-free cartridge design provides an unprecedented combination of convenience,
economy, and reliability. The foundation of the Trident direct system is a reusable direct
connect holder that easily attaches to any HPLC column using CPI- or Waters-style
end fittings.* The system is available in configurations to match different protection
levels: filter only, guard cartridge holder without filter, and guard cartridge holder with
filter. The guard cartridges (see are available in 2.1 and 4.0 mm ID and are
interchangeable within the holder.
25082
Filter:
Protection against particulate matter.
25084
Guard Cartridge and Filter:
Protection against particulate matter and
moderate protection against irreversibly
adsorbed compounds.
Description qty. cat.# price
High-pressure filter ea. 25082
10 mm guard cartridge holder without filter ea. 25083
10 mm guard cartridge holder with filter ea. 25084
PEEK tip for Waters-style end fittings ea. 25088
PEEK tip for standard fittings ea. 25087
Replacement Cap Frits for Trident Guard Cartridges
Replacement guard cartridges can cost as much as an analytical column, so why not
protect them, too? The removable cap frit in a Trident direct helps prevent clogged
cartridges to extend the life of your column, your cartridge, and your budget.
Description ID Porosity qty. cat.# price
Replacement Cap Frits 4 mm 2.0 µm 5-pk. 25022
Replacement Cap Frits 4 mm 0.5 µm 5-pk. 25023
Replacement Cap Frits 2 mm 2.0 µm 5-pk. 25057
Replacement Cap Frits 2 mm 0.5 µm 5-pk. 25990
Trident direct 10 mm guard
cartridge holder with filter
Components
Assembled
Installed onto column
See for a full selection of
Trident HPLC guard cartridges.