A 1-micron prefilter has such small pores that it would need to
be changed every month unless you install larger micron prefilters
before it. Otherwise it can quickly clog up and diminish your water
flow. Plus, if too much water pressure backs up because it is
clogged, it could crack the housing. Typically, a 1-micron
prefilter is only recommend to remove asbestos or other harmful
small particle substances.
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