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5 Micron Rating

Filters with a larger micron rating allow larger particles through the system. Larger pores in your filter mean that the filter is less likely to become clogged. However, 50 micron filters will remove less pollutants than 1 micron filters, and usually 1 micron filters can become clogged and need frequent maintenance. Therefore, we recommend a 2 stage filtration system, where the cartridge in the first stage protects the second filter and the second filter won’t require frequent maintenance.

In addition, for most, one micron is enough. It is estimated that this size of filter will remove 99.9% of all bacteria from water. If your water supply has already been treated with chlorine then a lot of these bacteria will no longer be present in the water anyway, and the filtration is more effective for heavy metals and other materials.

In conclusion, the finer the micron size, the better for filtration, but this does come with its downsides. Flow capability and rate can drop with finer pores. This will be more likely to become an issue if you are using well water as sediment will likely be present in this water supply. A key sign that you may be struggling with sediment is if the filter on your kitchen faucet needs regular changing.

And larger pores in your filter mean that the filter is less likely to become clogged. Changing the filter will, therefore, be less frequently required. If you don’t need overly fine micron filtration then larger pores may be preferable to smaller pores, which can become clogged or need frequent maintenance.