Critical Process Filtration Blog

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Problem Solving | Filter Ratings | Nominal vs Absolute Filters

By: Critical Process Filtration
May 16th, 2019

While filter ratings are an important indication of how well a filter will remove particles of varying sizes from a fluid or gas, it is important to note that nominally rated filters from different manufacturers can have the same rating, but yield different results. The opposite is also true – nominally rated filters from different suppliers can have different ratings, yet yield the same result. Naturally, this can create confusion and impact your filter buying decisions.