Eliminate contamination and optimize GC performance with Thermo Scientific™ Click-On™ Inline Gas Filters. This filtering system ensures high-purity (99.9999% or 6.0 grade) output gas for reliable analysis. Reuseable end fittings containing needle valves remain installed during filter changes, preventing contamination and reducing the cost of clean gas. Easy to use, Click-On Inline Gas Filters enable fast, tool-free replacement and prevent over-tightening of fittings.