Description
20” (20-inch)
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This is the length of the filter cartridge.
3. Micron rating (µm)
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This tells you how fine the filter is:
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0.22 µm → Sterile filtration (removes bacteria, very fine).
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0.45 µm → Removes fine particles, some bacteria.
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1 µm → General fine filtration (yeast, larger particles).
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5 µm → Coarse filtration (sand, rust, dirt, sediment).
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The smaller the number, the finer the filtration.





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