What does micron mean in practice?
A micrometer describes the size of a particle or pore, but it does not say how effectively a filter retains particles of that size.
When does it matter?
Comparing cartridges requires a distinction between nominal and absolute accuracy and knowledge of the test method.
Which solutions are related to it?
The filter is selected based on the retention curve and the type of sediment, taking into account the flow and allowable pressure drop.