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Commercial Grade
Fits Standard 20" Big Blue Housings
and microorganisms without chemicals
Inline GAC
All materials meet FDA requirements for potable water contact
United Filters International 20" x 4.5" Big Blue Depth String Wound "UP Series" Polypropylene Sediment Filter Micron (μm):20 Micron Commercial GradeThe United Filters International UP Series 20" x 4. 5" Big Blue depth string wound filter delivers true depth filtration with exceptional dirt holding capacity across micron ratings from 1 to 100 micron. Engineered from 100% polypropylene using a continuous high speed wind process, this cartridge handles aggressive chemicals, extreme temperatures up to 200F, and demanding whole house, well, or commercial applications. SPECIFICATIONS Core
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