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Prefilter

A filter for removing gross contamination before the substance being filtered passes through the final filter. This is used to extend the life of a small pore size filter.

FAQ
A prefilter is a filter for removing gross contamination before the substance being filtered passes through the final filter. This is used to extend the life of a small pore size filter.
A prefilter is used to remove gross contamination before the substance being filtered passes through the final filter. This is used to extend the life of a small pore size filter. It prevents the build-up of back pressure typically caused by the blocking of an unprotected membrane.