VanGuard Column Protection

Extend Analytical Column Lifetime

VanGuard Pre-columns and Cartridges are optimized to protect and prolong analytical column lifetimes without compromising chromatographic performance. These column protection products are available in a wide selection of particle sizes and stationary phases making them ideally suited for the physical and chemical protection for all Waters analytical columns.

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How do you avoid column contamination?
Rigorous sample prep
Pre-column filter
Guard column
Column flushing
Praying