What is Filter Efficiency?

Filter efficiency refers to the ability of a filter to effectively remove contaminants from a fluid. It is typically expressed as a percentage, with higher percentages indicating a higher level of efficiency.

There are several factors that can affect the efficiency of a filter, including the size and type of the contaminants being removed, the size and type of the filter media, and the flow rate of the fluid being filtered.

In general, filters with higher efficiency are more effective at removing contaminants from a fluid, but they may also have a higher initial cost and may require more frequent maintenance to clean or replace the filter media.

To determine the efficiency of a filter, it is typically necessary to test it under controlled conditions and measure the amount of contaminants that are removed from the fluid. This can be done using standardized test methods, such as those specified by the American Society of Testing and Materials (ASTM).

Filter Efficiency