OPTI-GUARD® 3mm Guard Columns



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The OPTI-GUARD® 3 mm Columns maintains the tool-free connectivity of the OPTI-GUARD 1 mm, but incorporates a cartridge based format to allow for a larger bed with more capacity. The two-part holder is designed for use with any analytical column to provide vital protection from dirty samples and strongly retained contaminants. An auto-adjusting stem conforms to any tube stop depth for a perfect zero-dead-volume connections.

Key Features:
  • Hand-tight two-part PEEK/ Stainless Steel holder
  • Connecting the holder requires no extra tubing or fittings
  • Automatically adjusts to any manufacturer's column
  • Perfect repeat ZDV connection
  • Minimal impact - no change in efficiency
  • Holder stays plumbed when changing cartridges

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