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Purcooflow WHF2045B302 Replacement Filter Set - 20" x 4.5", 3-Stage PP, KDF & CTO for Iron, Manganese, Lead, Mercury Removal
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Advanced 3-Stage Heavy Metal Defense: Combines 5-micron PP sediment filtration, specialized KDF-55 media, and a premium CTO carbon block to reduce particulates, heavy metals, chlorine, and common contaminants in one complete filtration set.
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Universal 20" Filter Compatibility: Compatible with most standard 20" x 4.5" filter cartridges, including sediment and carbon filters—giving you flexible replacement options without being locked into proprietary filters.
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KDF-55 Protection Against Heavy Metals: Engineered to help reduce soluble heavy metals such as iron, lead, mercury, arsenic, and chromium, while also helping address metallic tastes often found in well water and aging municipal supplies.
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Bacteriostatic Performance & Sulfur Odor Reduction: KDF media helps create an unfavorable environment for bacteria and algae growth while also helping reduce hydrogen sulfide associated with “rotten egg” odors common in private well water.
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Premium Carbon Polishing for Cleaner-Tasting Water: The final CTO stage provides additional reduction of chlorine, VOCs, pesticides, and unwanted odors while polishing water for improved taste, clarity, and overall filtration performance.
- Free Shipping On all orders
- 30-Day Return No worries
- 2 Year Warranty Hassle-free
Tech Specs - Heavy Metal Filter Set
PP Cotton + KDF Filter + Activated Carbon
15 GPM
>95% Efficiency
20" x 4.5" (Big Blue)
104°F (40°C)
90 psi
Up To 100,000 Gallons
Food Grade PP / EPDM
90 psi
Universal 20" BB Fitment
Compatible with Most 20" × 4.5" Big Blue Housings
Designed to fit most standard 20" × 4.5" Big Blue filter housings used in whole-house water filtration systems. Easy replacement, dependable performance, and broad compatibility.