Pool Equipment & Cleaning
What Is a Micron Rating?
A micron rating states a particle-size level associated with a filter’s ability to capture particles, expressed in micrometers (μm).
What the Unit Means
One micrometer is one thousandth of a millimeter. A smaller stated size can indicate finer filtration, but ratings must be read with their test method and capture efficiency. Nominal and absolute ratings are not interchangeable.
Aiper Product Context
The Scuba S1 Pro product page lists a primary filter and a finer MicroMesh filter. These are filtration specifications, separate from flow rate, basket capacity and pool coverage.
Common Misunderstanding
A micron rating alone does not prove that all particles of that size are captured or that water is disinfected. Filters collect particles; water treatment has a different role.
Related terms
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