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Protect your instrumentation and sensitive equipment from water, oil, and dirt with our high-efficiency, point-of-use miniature filters.

The Guardian Membrane Series is engineered to provide complete removal of entrained liquids and solids from gas samples assuring sample integrity and protecting downstream analyzers.

Protect your equipment and sensitive instruments from water, oil, and dirt with our high-efficiency instrument filters, engineered to remove contaminants at 99.99% efficiency down to 0.01 micron.

The GMS100 protects gas chromatographs and other online analyzers that require low sample flow rates from liquid and particulate contamination when only minimal amounts of liquid are present...

Our 380AHP Series delivers high-efficiency filtration in a robust, service-friendly package. Each housing is 100% machined, fully anodized, and designed for easy maintenance with a large hex base,...

Guardian Membranes are also available with integrated coalescing pre-filters. A 50C-grade element is positioned upstream of the membrane to effectively remove the majority of liquids and particulates, thereby...