Our OPTI-GUARD® analytical columns set the standard for extremely low impact, easy to use pre-column protection. Our OPTI-GUARD® 1mm Guard Columns are designed to for use with narrow-bore analytical columns with a 1.0mm internal diameter. Other options are available with alternative IDs (4.6mm, 3.0mm, and 2.1mm IDs).
Our patented floating stem design automatically adjusts to any manufacturer's tube stop depth for a zero-dead-volume connection with every use. The best part? It's no larger than a standard fitting. Connecting with OPTI-GUARD® Guard Columns requires no extra tubing, maintaining the minimal impact philosophy that has made the OPTI-GUARD® line so popular in analytical columns.
*Please note, product label colors may differ from what is pictured