Replacement guard cartridges can cost as much as an analytical column. Protect them with replacement cap frit filters.

• Protects guard cartridges
• Removable cap
• Prevents clogging

The removable cap frit filter in a Trident direct helps prevent clogged cartridges to extend the life of your column, your cartridge, and your budget.

Use 2 mm cap frit filters with 1.0 to 2.1 mm ID analytical columns. Use 4 mm cap frit filters with 3.0 to 4.6 mm ID analytical columns.