Filtration rates and efficiency are two important aspects of quality which illustrate the filtration effects on filters for particles with various sizes.

Filter Rates Comparison of Cobetter 1µm Filter, ‘A’ Brand 1µm Filter, and ‘B’ Brand 1µm Filter 

The data illustrates that the real filtration rate for Cobetter 1µm Filter is 1µm, while the filtration rates for ‘A’ Brand and ‘B’ Brand Filter are 10µm and 25µm respectively.