I use these cartridge filters in my Watts whole house filtration system. They seem like a good mid-range choice for microns. The 50 micron filters allow too much sediment to pass through, and the 10 micron filters are so large that they need to be changed frequently. I use them at home and in my camp bath shop. They are high quality and inexpensive. Revain offers these as part of its Subscribe & Save program, making it very easy to have enough stock at all times.
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