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π§ Universal Fit
Three-Layer Filtration Design
preventing premature plugging and maximizing carbon utilization
Nominal (10 absolute)
Isopure Water (ISO-WH1-20B) Single Stage 20" Big Blue Boy Whole House Water Filter Polypropylene Spun1382 π§ Universal FitThe Isopure Water ISO WH1 20B delivers true whole house sediment filtration through a single stage Big Blue system with oversized 20" x 4. 5" cartridges and 1" ports engineered to maintain flow rates up to 8 GPM without pressure loss. This pre assembled 5 micron sediment filter system handles the demands of larger homes where standard 10" x 2. 5" filter housings fall short in capacity and performance. SPECIFICATIONS Filter Performance & Capacity
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