In-Stock, ready to ship same-day.
- This level two cartridge is the previous generation of whole house water filtration from 3M
- Fits 3M AP100 series housings as well as standard diameter and large diameter stainless steel housings
- Sold as a two pack to fill a two-high system
- 2.5 inch diameter
- Reduces sediment with a 5 micron rating
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